Pinpoint Test A : The Cruise Control Is Inoperative: Notes
Refer to Cruise Control for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Steering Wheel and Column Electrical Components - System Operation and Component Description .
REFER to: Cruise Control - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B112B:07 | Steering Wheel Module: Mechanical Failure | Continuous memory DTC that sets in the BCM when the steering wheel switches are not operating correctly. |
| B112B:83 | Steering Wheel Module: Value of Signal Protection Calculation Incorrect | Continuous memory DTC that sets in the BCM when the steering wheel switch signal is missing from the SASM on the LIN circuit to the BCM. |
| B112B:87 | Steering Wheel Module: Missing Message | Continuous memory DTC that sets in the BCM when the steering wheel switch signal is missing from the SASM on the LIN circuit to the BCM. |
Possible Sources
- Wiring, terminals or connectors
- Cruise control switch
- Digital TR sensor (if equipped)
- PCM
- BCM
- SASM
- BPP switch