B2900

PINPOINT TEST 7: DTCs B2900 AND C1805

Normal Operation

When the ignition is turned to the RUN position, the ABS module and the PCM share vehicle identification number (VIN) information over the high speed controller area network (HS-CAN) bus.

- DTC B2900 (VIN Mismatched) - if the VIN information stored in the ABS module does not match the information transmitted by the PCM, DTC B2900 will set.
- DTC C1805 (Mismatched PCM and/or ABS Module) - if the VIN information stored in the ABS module does not match the information transmitted by the PCM, DTC C1805 will set.

Possible Causes
- Module configuration (ABS and PCM)
- ABS module

Diagnostic Procedure

Step 1-Step 2: