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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (2.4L - DTCS P2299 To U1504) >> DTC Troubleshooting >> U0121-Lost Communication With Anti-Lock Brake Module >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) doesn't receive an ABS message over the CAN C circuit for seven consecutive seconds. The circuit is continuously monitored.