Normal Operation
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
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.
This pinpoint test is intended to diagnose the following:
- Module configuration (ABS and PCM)
- ABS module