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Parking Aid Module (PAM)

NOTE: If a control module or component is suspect and the vehicle remains under manufacturer warranty, refer to the Warranty Policy and Procedures manual (section B1.2), or determine if any prior approval program is in operation, before the replacement of a component.
NOTE: Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5 digits from the scan tool to the first 5 digits of the 7-digit code listed to identify the fault (the last 2 digits give extra information read by the manufacturer-approved diagnostic system).
NOTE: When performing voltage or resistance tests, always use a digital multimeter (DMM) accurate to three decimal places, and with an up-to-date calibration certificate. When testing resistance always take the resistance of the DMM leads into account.
NOTE: Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.
NOTE: Inspect connectors for signs of water ingress, and pins for damage and/or corrosion.
NOTE: If DTCs are recorded and, after performing the pinpoint tests, a fault is not present, an intermittent concern may be the cause. Always check for loose connections and corroded terminals.

Description And Operation 

For a detailed description of the parking assist control system, refer to the relevant Description and Operation section in the workshop manual. Refer to Parking Aid .

PARKING ASSIST CONTROL MODULE (PAM)

DTC Description Possible Cause Action
B1B36-01 Front Right Outer Sensor - General Electrical Failure
  • Wiring harness fault
  • Front Right Outer Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B36-12 Front Right Outer Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the front bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B36-96 Front Right Outer Sensor - Component internal failure
  • Wiring harness fault
  • Front Right Outer Sensor - Component internal failure
  
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B38-01 Front Right Inner Sensor - General Electrical Failure
  • Wiring harness fault
  • Front Right Inner Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B38-12 Front Right Inner Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the front bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B38-96 Front Right Inner Sensor - Component internal failure
  • Wiring harness fault
  • Front Right Inner Sensor - Component internal failure
 If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B40-01 Front Left Outer Sensor - General Electrical Failure
  • Wiring harness fault
  • Front Left Outer Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B40-12 Front Left Outer Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the front bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B40-96 Front Left Outer Sensor - Component internal failure
  • Wiring harness fault
  • Front Left Outer Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B42-01 Front Left Inner Sensor - General Electrical Failure
  • Wiring harness fault
  • Front Left Inner Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B42-12 Front Left Inner Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the front bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B42-96 Front Left Inner Sensor - Component internal failure
  • Wiring harness fault
  • Front Left Inner Sensor - Component internal failure
  
  • Refer to electrical wiring diagrams and check the front bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B44-01 Rear Right Outer Sensor - General Electrical Failure
  • Wiring harness fault
  • Rear Right Outer Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B44-12 Rear Right Outer Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B44-96 Rear Right Outer Sensor - Component internal failure
  • Wiring harness fault
  • Rear Right Outer Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B46-01 Rear Right Inner Sensor - General Electrical Failure
  • Wiring harness fault
  • Rear Right Inner Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B46-12 Rear Right Inner Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B46-96 Rear Right Inner Sensor - Component internal failure
  • Wiring harness fault
  • Rear Right Inner Sensor - Component internal failure
  
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B48-01 Rear Left Outer Sensor - General Electrical Failure
  • Wiring harness fault
  • Rear Left Outer Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B48-12 Rear Left Outer Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B48-96 Rear Left Outer Sensor - Component internal failure
  • Wiring harness fault
  • Rear Left Outer Sensor - Component internal failure
  
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B50-01 Rear Left Inner Sensor - General Electrical Failure
  • Wiring harness fault
  • Rear Left Inner Sensor - Component internal failure
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B50-12 Rear Left Inner Sensor - Circuit short to battery
  • Wiring harness fault
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage. Check sensor circuit for short circuit to power. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
B1B50-96 Rear Left Inner Sensor - Component internal failure
  • Wiring harness fault
  • Rear Left Inner Sensor - Component internal failure
  
  • Refer to electrical wiring diagrams and check the rear bumper harness for damage/corrosion. Check sensor circuit for short circuit to ground, short circuit to power, open circuit. Repair or replace any wiring harness as required
  • Check the connector for integrity and damage, then re-connect sensor to confirm connection
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test
  • If the problem persists remove the suspect sensor from the bumper. Inspect the sensor connector for signs of water ingress/corrosion. Exchange the suspect sensor with another sensor within the bumper that is not reporting a fault. Clear the DTC and run the on demand self test to confirm if the fault code now appears for the new position of the suspect sensor. Renew the faulty sensor
B1B54-11 Function LED - Park Aid - Circuit short to ground
  • Wiring harness fault
  • Switch/LED - Component internal failure
  • Refer to electrical wiring diagrams and check the parking aid LED circuit for short circuit to ground. Repair or replace any wiring harness as required
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test. If the problem persists, suspect the switch/LED
B1B54-12 Function LED - Park Aid - Circuit short to battery
  • Wiring harness fault
  • Switch/LED - Component internal failure
  • Control Module - Component internal failure
  • Refer to electrical wiring diagrams and check the parking aid LED circuit for short circuit to power. Repair or replace any wiring harness as required
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test. If the problem persists, suspect the switch/LED
B1B57-11 Front Sensors Power Circuit- circuit short to ground
  • Wiring harness fault
  • Control Module - Component internal failure
  • Check front and rear bumper harness for signs of damage and security of connections
  • Refer to electrical wiring diagrams and check the parking assist front sensor power circuit and rear sensor power circuit for short circuit to ground. Repair or replace any wiring harness as required
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test.
  • If the problem persists, suspect the control module Cycle the ignition off, then on, to power up parking aid system and check corrective action
B1B58-11 Rear Sensors Power Circuit - Circuit short to ground
  • Wiring harness fault
  • Control Module - Component internal failure
  • Check rear and front (if front PDC fitted) bumper harness for signs of damage and security of connections
  • Refer to electrical wiring diagrams and check the parking assist rear sensor power circuit and front sensor power circuit (if front PDC fitted) for short circuit to ground. Repair or replace any wiring harness as required
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test. If the problem persists, suspect the control module
  • Cycle the ignition off, then on, to power up parking aid system and check corrective action
B1C30-73 Disable Switch - Actuator stuck closed
  • Wiring harness fault
  • Control Switch - Component internal failure
  • Refer to electrical wiring diagrams and check the parking assist switch and switch circuit. Repair or replace any wiring harness as required
  • Using the manufacturers approved diagnostic system clear the DTC and run the on demand self test. If the problem persists, suspect the control switch
  • Check the switch function
U0010-00 Medium Speed CAN Communication Bus - No sub type information
  • Medium speed CAN failure - bus off
  • Refer to the electrical circuit diagrams and check the Parking aid control module high speed CAN bus for short circuit to ground, short circuit to power, open circuit, high resistance, or short circuit between the paired CAN wires
  • Using the manufacturer approved diagnostic system, complete a CAN network integrity test
  • Cycle the ignition off, then on, and check if the DTC is still logged
U0073-00 Control module communication Bus "A" Off - No sub type information
  • Control module communication Bus "A" failure - bus off
  • Refer to the electrical circuit diagrams and check the Parking aid control module high speed CAN bus for short circuit to ground, short circuit to power, open circuit, high resistance, or short circuit between the paired CAN wires
  • Using the manufacturer approved diagnostic system, complete a CAN network integrity test
  • Cycle the ignition off, then on, and check if the DTC is still logged
U0140-00 Lost Communication With Body Control Module - No sub type information
  • Loss of CAN communication with central junction box
  • Refer to the electrical circuit diagrams and check the power and ground connections to the central junction box. Clear DTC and retest
  • Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network between the central junction box and the parking aid control module
U0252-00 Lost communication with Trailer Control Module - No sub type information
  • Loss of CAN communication with trailer control module
  • Refer to the electrical circuit diagrams and check the power and ground connections to the trailer control module. Clear DTC and retest
  • Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network between the central junction box and the parking aid control module
U0300-00 Internal Control Module Software Incompatibility - No sub type information
  • Car configuration file stored in Parking aid control module does not match the master car configuration file
  • Master car configuration file not being transmitted by master control module
  • Using the manufacturer approved diagnostic system, check all other control modules, for related DTCs and refer to the relevant DTC index
  • Check the components installed on the vehicle were installed by the factory or a dealer
  • Install the original component or a new one as required
U0422-00 Invalid Data Received From Body Control Module - No sub type information
  • Invalid data received
  • Using the manufacturer approved diagnostic system, check central junction box, for related DTCs and refer to the relevant DTC index
  • Using the manufacturer approved diagnostic system, complete a CAN network integrity test
  • Cycle the ignition off, then on, and check if the DTC is still logged
  • Clear the DTC and re-test
U2100-00 Initial Configuration Not Complete - No sub type information
  • Parking aid control module not configured
  
  • Using the manufacturer approved diagnostic system check and install latest relevant level of software to the parking aid control module
U2101-00 Control Module Configuration Incompatible - No sub type information
  • Parking aid control module configuration error
  
  • Using the manufacturer approved diagnostic system check and up-date the car configuration file as required. Clear the DTC and re-test
U3000-49 Control Module - Internal electronic failure
  • Parking aid control module internal failure
  • Using the manufacturers approved diagnostic system clear the DTC, cycle the ignition off, then on, and check if the DTC is still logged
  • If the DTC is still logged suspect the parking aid control module
U3002-81 Vehicle Identification Number - invalid serial data received
  • VIN Mismatch, stored VIN does not match broadcast VIN
  • Using the manufacturers approved diagnostic system clear the DTC, cycle the ignition off, then on, and check if the DTC is still logged
  • If the DTC is still logged replace the parking aid control module
U3003-16 Battery voltage
  • Circuit voltage below threshold
  • Using the manufacturer approved diagnostic system, check central junction box, for related DTCs and refer to the relevant DTC index
  • Check the vehicle charging system performance to ensure the voltage regulation is correct
  • Refer to relevant section of workshop manual and battery care manual. Check battery state of charge and starting/charging system performance
  • Refer to the electrical circuit diagrams and check parking aid control module power and ground circuits for short circuit to ground, short circuit to power, open circuit
  • Clear the DTC and retest
U3003-17 Battery voltage
  • Circuit voltage above threshold
  • Using the manufacturer approved diagnostic system, check central junction box, for related DTCs and refer to the relevant DTC index
  • Check the vehicle charging system performance to ensure the voltage regulation is correct
  • Refer to relevant section of workshop manual and battery care manual. Check battery state of charge and starting/charging system performance
  • Refer to the electrical circuit diagrams and check parking aid control module power and ground circuits for short circuit to ground, short circuit to power, open circuit
  • Clear the DTC and retest
U3003-62 Battery Voltage - Signal compare failure
  • Signal compare failure in battery voltage, of 2 volts or more, between parking aid system control module and central junction box
  • Using the manufacturer approved diagnostic system, check central junction box, for related DTCs and refer to the relevant DTC index
  • Check the vehicle charging system performance to ensure the voltage regulation is correct
  • Refer to relevant section of workshop manual and battery care manual. Check battery state of charge and starting/charging system performance
  • Refer to the electrical circuit diagrams and check parking aid control module power and ground circuits for short circuit to ground, short circuit to power, open circuit
  • Clear the DTC and retest
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