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Retrieving & Clearing Diagnostic Trouble Codes

WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

To retrieve and clear Diagnostic Trouble Codes (DTC), connect scan tool to Data Link Connector (DLC). Establish communication with appropriate module and follow scan tool instructions.

DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1000, B1339 Or B1449 Body Control Module Fault (1)
B3069 Driver Door Lock Cylinder Switch Signal Circuit Low B3069 
B3127, B3132 Or B3137 Door Lock Actuator Circuit Low B3127, B3132 Or B3137 
B3128, B3133 Or B3138 Door Lock Actuator Circuit High B3128, B3133 Or B3138 
B3247 Rear Deck Lid Release Output Circuit Low B3247 
B3248 Rear Deck Lid Release Output Circuit High B3248 
B3272 Driver Door Lock Switch Unlock Signal Circuit Low B3272 
B3895 Deck Lid Ajar Switch Signal Circuit Low B3895 
B3896 Deck Lid Ajar Switch Signal Circuit Open Or High B3896 
B3898 Rear Compartment Occupant Sensor Signal Missing B3898 
B3904 Rear Compartment Occupant Sensor Signal Invalid B3904 
PXXXX Powertrain Control Module Fault (2)
UXXXX Control Module Communication Fault (3)
(1) See appropriate BODY CONTROL MODULES article.
(2) For any DTC beginning with the letter "P", see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
(3) For any DTC beginning with the letter "U", diagnose communication problem with class 2 device. See SELF-DIAGNOSTIC SYSTEM in appropriate BODY CONTROL MODULES article.
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