P1643 Diagnostic Trouble Code Discussion for August 2020
Wait To Start Lamp Control Circuit Malfunction
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| Help Request | Posted | |
| 2001 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK24161 P1643: Wait To Start Indicator Lamp Circuit Malfunction. ... and start and die. Scanned for codes and found p1626 anti theft, u1000 class 2 serial codes. At this time all modules were communicating but anti theft was active. We did VTD relearn process with no luck. Started chec... |
August 28, 2020 |
