B2141: No NVM Config Failure PCM Between PATS and PCM

DTC B2141: NVM CONFIGURATION FAILURE NO PCM ID EXCHANGE BETWEEN PATS AND PCM

B2141-1 Retrieve The DTCs
- Key OFF.
- Connect NGS to DLC.
- Retrieve and document continuous DTCs.
- Clear continuous DTCs.
- Key OFF then key ON and retrieve continuous DTCs.
Is DTC B2141 retrieved?
Yes
- If DTC B2141 is the only DTC retrieved, Go to B2141-2.
- If DTC U1147 is retrieved with DTC B2141, Go to Pinpoint Test U1147. U Code Charts
No
System is OK

B2141-2 Perform Keep Alive Memory Reset From PCM
- Use diagnostic card for PCM Active Command Keep Alive Memory Reset.
- Key OFF.
- Turn ignition key to RUN for thirty seconds.
- Key OFF.
- Attempt to start vehicle.
Does vehicle start?
Yes
System is OK.
No
- CONNECT NGS and CLEAR continuous DTCs from the PATS module.
- Key OFF then key ON and RETRIEVE continuous DTCs.
- Go to B2141-3.

B2141-3 Check System For DTC B2141
- Perform PATS on-demand self-test.
Is DTC B2141 retrieved?
Yes
- REPEAT B2141-2.
- If fault persists, VERIFY PCM calibration.
- If PCM calibration is OK:
- REPLACE the Passive Anti-Theft System (PATS) Control Module.
- CYCLE the ignition to RUN using two encoded ignition keys.
- Go to Pinpoint Test B2139. B2139: PCM ID Does Not Match Between PATS and PCM
- CLEAR the DTCs.
- TEST the system for normal operation.
- If fault persists, REPLACE the PCM.
- Go to Pinpoint Test B2139. B2139: PCM ID Does Not Match Between PATS and PCM
- CLEAR the DTCs.
- TEST the system for normal operation.
No
If other DTCs are retrieved, REFER to PATS Diagnostic Trouble Code (DTC) Index. PATS Diagnostic Trouble Code (DTC) Index