Pinpoint Test U: The Remote Start Feature Is Inoperative

U1 VERIFY THE REMOTE START FEATURE IS ENABLED
- Ignition ON.
- Using the steering wheel control switch, check remote start feature setting in the message center.
Is the remote start feature enabled?
- Yes : GO to U2
- No : ENABLE the remote start feature.
U2 CHECK FOR POWERTRAIN DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, perform the PCM KOEO and KOER self-tests.
Are any PCM Diagnostic Trouble Codes (DTCs) present?
- Yes : REFER to the PCM DTC CHART .
- No : GO to U3
U3 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) P1954:04
- Using a diagnostic scan tool, perform the BCM self-test.
Is DTC P1954:04 present?
- Yes : GO to U4
- No : GO to U5

U4 CHECK THE BCM (BODY CONTROL MODULE) CRASH_FLAG SNAPSHOT DATA

Using a diagnostic scan tool, view the snapshot data for BCM DTC P1594:04.

BCM DTC P1594 04 TRIGGER EVENT

Scan Tool Display	Description	Event detected that caused the engine to shutdown
CRASH_FLAG	Crash event recorded	The BCM received information from the RCM indicating a crash event occurred. This can be reset using a diagnostic scan tool.

Does scan tool display indicate TRUE?

Yes : PERFORM the BCM crash reset function using the diagnostic scan tool (Electrical - Service Functions > BCM Crash Status Reset).
No : GO to U5

U5 CHECK FOR OTHER BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
- Review the results from the BCM self-test.
Are any other Diagnostic Trouble Codes (DTCs) present?
- Yes : REFER to the BCM DTC CHART .
- No : GO to U6
U6 CHECK THE RKE (REMOTE KEYLESS ENTRY) FUNCTIONALITY
- Ignition OFF.
- Using the RKE function of the passive key, press the liftgate release button twice, the lock button and then the unlock button.
Do all the functions tested of the RKE transmitter operate (lock, unlock and liftgate release)?
- Yes : GO to U7
- No : If all of the functions are inoperative, GO to PINPOINT TEST R
  If an individual function is inoperative, GO to PINPOINT TEST S
U7 VERIFY THE REMOTE START FUNCTION IS INOPERATIVE
- Close all the doors, the hood and the liftgate.
- NOTE: Each button press must be done within three seconds of each other.
  
  Using the passive key:
- Press the door lock button.
- Press the remote start button twice.
Does the vehicle remotely start?
- Yes : The system is operating correctly. INFORM the customer of the correct vehicle remote start operation.
- No : REPLACE the passive key in question. PROGRAM the new passive key.
  Refer to: ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) (WITH KEYLESS ENTRY AND PUSH BUTTON START) .