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Passive Anti-Theft System

PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
P1260 Theft Detected, Vehicle Immobilized The PCM disabled the vehicle due to a Passive Anti-Theft System (PATS) concern. ADDRESS all PATS DTCs present in the Remote Function Actuator (RFA) module first. This DTC may also indicate a Controller Area Network (CAN) or parameter reset issue or a PCM power or ground issue. For the CAN issue, REFER to MODULE COMMUNICATIONS NETWORK . If DTC P1260 is the only DTC present, there may be a parameter reset issue, power or ground issue with the PCM. For the parameter reset issue, REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET - INTELLIGENT ACCESS (IA) . For the PCM power or ground issue, if necessary, CHECK the powers and grounds to the PCM. REFER to the SYSTEM WIRING DIAGRAMS to determine the PCM power and ground circuits.
P1602 Immobilizer/ECM Communication Error
NOTE: If RFA module DTC B10DA:61 is also present, address RFA module DTC B10DA:61 first.
GO to PINPOINT TEST D .
P1622 Immobilizer ID Does Not Match CARRY OUT a parameter reset of the RFA module and the PCM. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET - INTELLIGENT ACCESS (IA) .
All other DTCs - REFER to the INTRODUCTION - GASOLINE MODELS .
REMOTE FUNCTION ACTUATOR (RFA) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B10C7:01 Interior Trunk Antenna: General Electrical Failure GO to PINPOINT TEST F .
B10C8:01 Interior Centre Antenna: General Electrical Failure GO to PINPOINT TEST F .
B10C9:01 Interior Front Antenna: General Electrical Failure GO to PINPOINT TEST F .
B10D7:05 PATS Key: System Programming Failure GO to PINPOINT TEST A .
B10D7:31 PATS Key: No Signal This DTC sets during an Remote Function Actuator (RFA) module self-test if 2 programmed Intelligent Access (IA) keys are not detected inside the vehicle. Check each IA key individually to see if it operates the vehicle. If an IA key does not operate the vehicle, program that key. Refer to KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT - INTELLIGENT ACCESS (IA) . If 2 programmed IA keys are not present inside the vehicle, disregard this DTC.
B10D8:51 Passive Anti-Theft System (PATS) Key Less Than Minimum Programmed: Not Programmed If other PATS DTCs are present, address them first. If DTC B10D8:51 is the only DTC present, PROGRAM additional keys (minimum of 2 keys must be programmed). REFER to KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT - INTELLIGENT ACCESS (IA) . CLEAR the DTCs. REPEAT the self-test.
B10D9:11 PATS Transponder: Circuit Short To Ground GO to PINPOINT TEST B .
B10D9:12 PATS Transponder: Circuit Short To Battery GO to PINPOINT TEST B .
B10D9:31 PATS Transponder: No Signal GO to PINPOINT TEST B .
B10D9:87 PATS Transponder: Missing Message GO to PINPOINT TEST B .
B10DA:51 PATS PCM Identifier: Not Programmed There is no PCM ID stored in the RFA module. CARRY OUT a parameter reset of the RFA module and the PCM, then CYCLE the ignition and make an attempt to start the vehicle. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET - INTELLIGENT ACCESS (IA) . CLEAR the DTCs. REPEAT the self-test.
B10DA:61 PATS PCM Identifier: Signal Calculation Failure There is an incorrect PCM ID stored in the RFA module. CARRY OUT a parameter reset of the RFA module and the PCM, then CYCLE the ignition and make an attempt to start the vehicle. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET - INTELLIGENT ACCESS (IA) . CLEAR the DTCs. REPEAT the self-test.
B10DA:86 PATS PCM Identifier: Signal Invalid There is an issue with the PCM ID stored in the RFA module. CARRY OUT a parameter reset of the RFA module and the PCM, then CYCLE the ignition and make an attempt to start the vehicle. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET - INTELLIGENT ACCESS (IA) . CLEAR the DTCs. REPEAT the self-test.
B125D:11 Ignition Run LED: Circuit Short To Ground GO to PINPOINT TEST C .
B125D:15 Ignition Run LED: Circuit Short To Battery or Open GO to PINPOINT TEST C .
U0100:87 Lost Communication With ECM/PCM "A": Missing Message
NOTE: If DTC B10DA:51, B10DA:61 or B10DA:86 is present, address DTC B10DA:51, B10DA:61 or B10DA:86 first.
GO to PINPOINT TEST D .
U201F:31 External Receiver: No Signal GO to PINPOINT TEST E .
All other DTCs - REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES .
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