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Diagnostic Procedure

DTC P081D:29 - BODY CONTROL MODULE (BCM) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY BODY CONTROL MODULE (BCM) DTCs AGAIN 
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION .)
  • Is the same Pending DTC present?
Yes Go to the next step.
No Go to repair completion verification 2.
2 INSPECT PCM FOR MALFUNCTION 
  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Is a DTC displayed?
Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE [PCM (SKYACTIV-G VIN M (US))] .)
(See DTC TABLE [PCM (SKYACTIV-G VIN Y)] .)
No Go to the next step.
3 INSPECT NEUTRAL SENSOR FOR MALFUNCTION  Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See NEUTRAL SENSOR REMOVAL/INSTALLATION [C66M-R] .)
(See NEUTRAL SENSOR REMOVAL/INSTALLATION [C66M-R, C66MX-R] .)
4 INSPECT PCM FOR MALFUNCTION DEPENDING ON REPEATABILITY 
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Switch the ignition ON (engine off or on) and wait for 1 min or more.
  • Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION .)
  • Is the same Pending DTC present?
Yes Refer to the CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)] .)
If the CAN communication is normal, replace the PCM and perform the repair completion verification.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G (VIN M (US))] .)
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G VIN Y (US)] .)
No Go to repair completion verification 2.
Repair completion verification 1 VERIFY THAT VEHICLE IS REPAIRED 
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Switch the ignition ON (engine off or on) and wait for 1 min or more.
  • Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION .)
  • Is the same Pending DTC present?
Yes Refer to the CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)] .)
If the CAN communication is normal, perform the diagnosis from Step 1.
No Go to the next step.
Repair completion verification 2 VERIFY IF OTHER DTC IS DISPLAYED 
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any other DTCs displayed?
Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.