Normal Operation
WARNING: This page is about a different car, the 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
The instrument cluster (IC) sets DTC U0121 if data messages received from the ABS module over the high speed controller area network (HS-CAN) are missing. For a complete list of all network messages, refer to MODULE COMMUNICATIONS NETWORK article.
This pinpoint test is intended to diagnose the following:
- Module communication
- Instrument cluster (IC)