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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Description Perform Test
B2721 PASS-Key(R) Detection Circuit Out Of Range B2721 
B2722 PASS-Key(R) Detection Circuit Short To Ground B2722 
B2723 PASS-Key(R) Detection Circuit Open/Short To Voltage B2723 
B2735 PASS-Key(R) Programming Mode Active B2735 
P1626 Theft Deterrent System Fuel Enable Signal Lost P1626 
P1630 Theft Deterrent Learn Mode Active P1630 
P1631 Theft Deterrent Start Enable Signal Incorrect P1631 
PXXXX Powertrain Control Module Fault (2)
(1) Codes listed in this table are only for testing covered in this article. For complete DTC listing, see BODY CONTROL MODULES - CORVETTE article.
(2) For PCM DTC descriptions and testing procedures not listed, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
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