1230 code(s) in this category. Page 8 of 52. Select one to see the detailed diagnosis.
Red (U)
The airbag control module has stopped receiving data from a side impact sensor. Airbag warning lamp lights up;…
The vehicle network has lost the electric parking brake (EPB) controller. Auto-hold is disabled, the EPB warni…
A control module that expects to talk to the engine ECU has stopped receiving messages. Most commonly seen by …
The vehicle network has lost the integrated trailer brake controller. Trailer braking falls back to passive op…
The terrain mode / 4WD mode controller has dropped off the bus. Off-road and traction modes can no longer be s…
The active anti-roll bar / dynamic chassis controller has dropped off the bus. The vehicle behaves as if the s…
ECU lost CAN communication with the accelerator pedal module. Throttle response severely affected. A communica…
ECU lost CAN communication with vacuum sensor A (often a smart sensor with bus interface). A communication los…
ECU lost CAN communication with vacuum sensor B (often a smart sensor with bus interface). A communication los…
ECU lost CAN communication with the pedestrian alert (acoustic vehicle alerting) module — required by law on E…
CAN messages from the body control module (BCM) are missing. Effects depend on what the BCM controls — typical…
A second body control module (BCM "A") has dropped off the bus. Several comfort, lighting and locking function…
A third body control module (BCM "C") has dropped off the bus. Comfort, lighting or door functions on the affe…
A secondary or auxiliary airbag/restraints controller (e.g. for rear or curtain bags) has stopped responding. …
A control module has lost communication with the central gateway. The gateway routes messages between separate…
ECU lost CAN communication with battery energy control module C (hybrid/EV high-voltage battery management).…
ECU lost CAN communication with the inductive charging module (wireless charging of HV battery). A communicati…
ECU lost CAN communication with battery energy control module D (hybrid/EV high-voltage battery management).…
ECU lost CAN communication with mirror control module B. A communication loss with this module breaks any func…