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System Testing: Self-Diagnostics

NOTE: A New Generation Star (NGS) Tester (007-00500) is required for testing the remote keyless entry system.
NOTE: For further information on Self-Diagnostic System, see MODULE COMMUNICATIONS NETWORK article.

Retrieve Diagnostic Trouble Codes (DTCs) before beginning any testing. Connect NGS tester to Data Link Connector (DLC). DLC is located at instrument panel, below steering column. Following manufacturer's instructions, retrieve any existing code(s) from Generic Electronic Module (GEM). Perform appropriate DTC test. If symptoms remain or if no DTCs exist, see REMOTE KEYLESS ENTRY SYSTEM SYMPTOM DIRECTORY  . If symptoms do not exactly match descriptions in directory, go to PINPOINT TEST "A".

NGS tester must be used to clear DTC(s). Follow manufacturer's instructions to clear individual DTC or all DTCs stored in GEM.

DTC DESCRIPTIONS

DTC Description
B1309  Power Door Lock Circuit Short to Ground
B1341  Power Door Unlock Circuit Short to Ground
B1485  Brake Pedal Input Circuit Battery Short
B1526  Keypad Short to Ground (Any Switch or Circuit)
B1629  PRNDL Reverse Input Short to Battery