Pinpoint Test

1. Verify the tire pressure in all tires meets the recommended tire pressures on the VC label. REFER to VEHICLE CERTIFICATION (VC) CODES .

Do all the tires meet the recommended tire pressures? 

1. Yes: GO to 2  .
2. No: CORRECT the tire pressures.

1. Using a scan tool, perform the IPC self-test.

Are any DTCs recorded? 

1. Yes: For DTC U0140:00, REFER to Diagnostic Routine AV: U0140:00 .

   For all other DTCs  , REFER to DTC Chart: Instrument Panel Cluster (IPC) .

2. No: GO to 3  .

1. Using a scan tool, perform the BCM self-test.

Are any DTCs recorded? 

1. Yes: REFER to DTC CHART: BODY CONTROL MODULE (BCM) .
2. No: GO to 4  .

1. Using a scan tool, perform the TPM module self-test.

Are any DTCs recorded? 

1. Yes: REFER to DTC CHART: TIRE PRESSURE MONITOR (TPM) MODULE .
2. No: GO to 5  .

1. Ignition ON.
2. Using a scan tool, view the IPC PIDs  .
3. Select the IPC TPMS warning indicator PID (TPMWARN_LMP). Command TPMS warning indicator on and off. Observe the TPMS warning indicator.

Does the TPMS warning indicator illuminate when commanded on and turn off when commanded off? 

1. Yes: If the TPMS warning indicator is never on, the system is operating correctly at this time.

   If the TPMS warning indicator is always on, INSTALL a new BCM: REFER to BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA) , or REFER to BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA) .

2. No: INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) .