Starting System

PCM DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC	Description	Source	Perform Test
P0512	Starter Request Circuit - Circuit has Power With the Ignition in the OFF Position	PCM	CARRY OUT the Ignition Switch Component Test. Refer to appropriate COMPONENT TESTING article. If necessary, INSTALL a new ignition switch. If the ignition switch passed the component test, REPAIR circuit CDC35 (BU/WH) for a short to power.
P0705	TR Sensor Circuit Failure	PCM	Refer to the appropriate Automatic Transmission article for the procedure.
P0706	TR Sensor Circuit Failure	PCM	Refer to the appropriate Automatic Transmission article for the procedure.
P0708	TR Sensor Circuit Failure	PCM	Refer to the appropriate Automatic Transmission article for the procedure.
P0709	TR Sensor Circuit Failure	PCM	Refer to the appropriate Automatic Transmission article for the procedure.

PASSIVE ANTI-THEFT SYSTEM (PATS) DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC	Description	Source	Perform Test
B1213	Anti-Theft Number of Programmed Keys is Below Minimum	Instrument Cluster/PCM	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1342	ECU is Defective	Instrument Cluster/PCM	INSTALL a PCM. REFER to ELECTRONIC ENGINE CONTROLS article.
B1600	Passive Anti-Theft System (PATS) Key Transponder Signal is Not Received	Instrument Cluster/PCM	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1601	PATS Received Incorrect Key-Code From Ignition Key Transponder	Instrument Cluster/PCM	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1602	PATS Received Invalid Format of Key-Code From Ignition Key Transponder	Instrument Cluster/PCM	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1681	PATS Transceiver Module Signal is Not Received	Instrument Cluster/PCM	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B2103	Antenna Not Connected	Instrument Cluster/PCM	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B2141	NVM Configuration Failure	Instrument Cluster/PCM	There is no PCM ID stored in the instrument cluster. CARRY OUT a parameter reset of the instrument cluster and PCM, then CYCLE the ignition and make an attempt to start the vehicle. REFER to Passive Anti-Theft System (PATS) Parameter Reset in ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B2431	Transponder Programming Failed	Instrument Cluster/PCM	VERIFY if the correct PATS key is being used. If the PATS key is defective, use a new key for programming. REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
U0100	Lost Communication With ECM/PCM	Instrument Cluster/PCM	REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
U2510	Antenna Not Connected	Instrument Cluster/PCM	If DTC U2511 is not present also, CARRY OUT a parameter reset of the instrument cluster and the PCM and CYCLE the ignition 3-5 times, making an attempt to start the vehicle each key cycle. REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.