Pinpoint Test

1. Ignition OFF.
2. Place the headlamp switch in the headlamps on position and activate the hazard lamp function.

Do the headlamps and front turn lamps operate correctly? 

• Yes: GO to 2  .
• No: REFER to Symptom Chart: Headlamps  or REFER to Symptom Chart: Turn Signal and Hazard Lamps .

1. Ignition ON.
2. Place the headlamp switch in the off position and deactivate the hazard lamp function.
3. Place the gear selector lever in any gear other than PARK (P).

Are the DRL illuminated? 

• Yes: The system is operating correctly. INFORM the customer of the conditions required for the DRL to operate correctly.
• No: GO to 3  .

1. Using a scan tool, view the PCM PIDs  .
2. Monitor the PCM transmission gear status PID (TR) while placing the gear selector lever through all its positions.

Does the PID agree with the gear selection? 

• Yes: INSTALL a new BCM. REFER to BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA) , or REFER to BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA) .
• No: REFER to DIAGNOSTIC PID CHART to diagnose the transmission range input.