Circuit/System Verification

Verify no other DTCs are set.
- If any other DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If no other DTCs are set
Control Module = Ambient Air Temperature.
Under normal operating conditions: Verify DTC C127E is not set.
- If the DTC sets
  Replace the component: K160 Brake System Control Module
- Go to next step: If the DTC is not set
All OK.