Diagnostic Trouble Code Definitions

NOTE: For list, definition and diagnosis of Alternative Fuel Control Module (AFCM) DTCs, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

DIAGNOSTIC TROUBLE CODE INDEX (ABS CONTROL MODULE)

DTC

Description

Action

B1318

Battery Voltage Low

⁽¹⁾

B1342

ABS Control Module Internal Failure

⁽²⁾

B1484

Brake Pedal Input Circuit Open

⁽¹⁾

B1596

Repair Continuous Codes

⁽¹⁾

C1095

ABS Hydraulic Pump Motor Circuit Failure

⁽¹⁾

C1145

Right Front ABS Sensor Input Circuit Failure

⁽¹⁾

C1155

Left Front ABS Sensor Input Circuit Failure

⁽¹⁾

C1165

Right Rear ABS Sensor Input Circuit Failure

⁽¹⁾

C1175

Left Rear ABS Sensor Input Circuit Failure

⁽¹⁾

C1222

Wheel Speed Signal Mismatched

⁽¹⁾

C1233

Left Front ABS Sensor Input Signal Missing

⁽¹⁾

C1234

Right Front ABS Sensor Input Signal Missing

⁽¹⁾

C1235

Right Rear ABS Sensor Input Signal Missing

⁽¹⁾

C1236

Left Rear ABS Sensor Input Signal Missing

⁽¹⁾

C1266

ABS Valve Power Relay Circuit Failure

⁽³⁾

⁽¹⁾	Repair anti-lock brake system concern. See appropriate ANTI-LOCK article in BRAKES.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform ABS self-test. If DTC B1342 is retrieved again, replace ABS control module.

⁽³⁾	Replace hydraulic control unit.

DIAGNOSTIC TROUBLE CODE INDEX (PCM)

DTC ⁽¹⁾

Description

Action

B1213

Anti-Theft No. Of Programmed Keys Is Below Minimum

⁽²⁾

B2103

PATS Antenna Not Connected

⁽³⁾

B1600

No Key Code Received/Damaged Encoded Ignition Key Or Use Of Non-PATS Key

⁽⁴⁾

B1601

Incorrect Key Code From Ignition Key Transponder

⁽⁵⁾

B1602

Invalid Key Code Format From Ignition Key Transponder

⁽⁶⁾

B1681

Transceiver Defective Or Not Connected

⁽⁷⁾

⁽¹⁾	For a listing of all "P" series DTCs, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

⁽²⁾	Perform TEST F: ANTI-THEFT NUMBER OF KEYS IS BELOW MINIMUM under SYSTEM TESTS in PASSIVE ANTI-THEFT SYSTEMS - CONTOUR & MYSTIQUE article.

⁽³⁾	Perform TEST A: PATS TRANSCEIVER ANTENNA NOT CONNECTED under SYSTEM TESTS in PASSIVE ANTI-THEFT SYSTEMS - CONTOUR & MYSTIQUE article.

⁽⁴⁾	Perform TEST B: NO KEY CODE RECEIVED/DAMAGED ENCODED IGNITION KEY OR USE OF NON-PATS KEY under SYSTEM TESTS in PASSIVE ANTI-THEFT SYSTEMS - CONTOUR & MYSTIQUE article.

⁽⁵⁾	Perform TEST C: INCORRECT KEY CODE FROM IGNITION KEY TRANSPONDER under SYSTEM TESTS in PASSIVE ANTI-THEFT SYSTEMS - CONTOUR & MYSTIQUE article.

⁽⁶⁾	Perform TEST D: INVALID KEY CODE FORMAT FROM IGNITION KEY TRANSPONDER under SYSTEM TESTS in PASSIVE ANTI-THEFT SYSTEMS - CONTOUR & MYSTIQUE article.

⁽⁷⁾	Perform TEST E: TRANSCEIVER DEFECTIVE OR NOT CONNECTED under SYSTEM TESTS in PASSIVE ANTI-THEFT SYSTEMS - CONTOUR & MYSTIQUE article.

DIAGNOSTIC TROUBLE CODE INDEX (RCM)

DTC ⁽¹⁾

Description

Action

B1342

ECU Defective

⁽²⁾

B1231

RCM Crash Data Memory Full

⁽³⁾

B1921

RCM Bracket Ground Resistance High

⁽³⁾

B1318

AIR BAG Light On (Low Ignition Feed)

⁽⁴⁾

C1414

Incorrect Vehicle Identification Code

⁽³⁾

B1887

Driver's Air Bag Circuit Shorted To Ground

⁽³⁾

B1916

Driver's Air Bag Circuit Shorted To Voltage

⁽³⁾

B1888

Passenger's Air Bag Circuit Shorted To Ground

⁽³⁾

B1925

Passenger's Air Bag Circuit Shorted To Voltage

⁽³⁾

B1932

Driver's Air Bag Circuit Resistance High

⁽³⁾

B1933

Passenger's Air Bag Circuit Resistance High

⁽³⁾

B1934

Driver's Air Bag Circuit Resistance Low

⁽³⁾

B1935

Passenger's Air Bag Circuit Resistance Low

⁽³⁾

B1869

Air Bag Indicator Inoperative

⁽³⁾

B1870

Air Bag Indicator Shorted To Voltage

⁽³⁾

B1892

Air Bag Tone Warning Indicator Circuit Shorted To Ground Or Open

⁽³⁾

B1891

Air Bag Tone Warning Indicator Circuit Shorted To Voltage

⁽³⁾

⁽¹⁾	DTCs are listed in order of importance. Repair DTCs in order listed.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Restraint Control Module (RCM) self-test. If DTC B1342 is retrieved again, replace RCM.

⁽³⁾	Repair supplemental restraint system concern. See lemon-25(R) AIR BAG SERVICE & REPAIR MANUAL, DOMESTIC & IMPORTED MODELS.

⁽⁴⁾	Check RCM power and ground circuit and repair as necessary. If power and ground circuits are okay, repair charging system. See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.