Pinpoint Test

1. Close all doors, hood and liftgate.
2. Ignition ON.
3. NOTE: If multiple warnings are present, the message center cycles through each of the warning indicators. Allow the message center to cycle through each display while determining whether the door ajar message center warning indicator is active.

   Open the driver door while monitoring the door ajar message center warning indicator.

Does the driver door ajar message center warning indicator turn off with the driver door closed and illuminate with the driver door open? 

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

1. Verify the grade assist function operates when engaged and turns off when disengaged.

Does the grade assist function operate correctly? 

1. Yes: GO to 3  .
2. No: REFER to Symptom Chart(s)  to diagnose the TCS.

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

Is DTC U0100:00 recorded? 

1. Yes: REFER to Diagnostic Routine AR: U0100:00 .
2. No: GO to 4  .

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

Are any DTCs recorded? 

1. Yes: REFER to SECTION 3: SYMPTOM CHARTS .
2. No: INSTALL a new PCM. REFER to POWERTRAIN CONTROL MODULE (PCM) - 2.0L GTDI , or REFER to POWERTRAIN CONTROL MODULE (PCM) - 3.5L TI-VCT .