Diagnostic Test
ACTIVE DTC
NOTE:
Diagnose any CAN - Communication DTCs in the PCM and any Ambient Air Temperature Sensor DTCs in the BCM before continuing.
- Turn the ignition off.
- If possible, allow the vehicle to sit with the ignition off for more than 480 minutes in an environment where the temperature is consistent and above -7°C (19.4°F).
- Test drive the vehicle. The vehicle must exceed 48 km/h (30 mph) during the test drive. Do not cycle the ignition off when the test drive is completed.
- With the scan tool, select View DTCs.
Is the DTC Active or Pending at this time?
Yes
- Refer to the DTC INDEX - EXCEPT 500L and perform any active Ambient Air Temperature Sensor diagnostic procedures.
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .