P2162

Diagnostic trouble code (DTC) information ECM-P216262

Condition
Information about vehicle speed is sent on the CAN-network from brake control module (BCM) and from transmission control module (TCM) to engine control module (ECM). If engine control module (ECM) detects a deviation between the speed signals from brake control module (BCM) and transmission control module (TCM), the diagnostic trouble code is stored.

Substitute value
- Cruise control shuts off.

Possible source
- Incorrect speed signal to brake control module (BCM).
Look for the cause of the malfunction in the brake control module (BCM).
- Incorrect speed signal to transmission control module (TCM).
Look for the cause of the malfunction in the transmission control module (TCM).
- Contact resistance in CAN-connections.
- Open circuit on one or both CAN-cables.
- Damaged Brake Control Module (BCM).
- Damaged transmission control module (TCM).

Fault symptom[s]
- The cruise control does not function at all
- Message in the display.