
2001 Chevrolet Blazer LS 4.3L No Start
I believe I have a problem with a passlock syst. Crank's but no start,security light flashes and dtc P1631C in memory. This vehical started an drove fine when it was inspected as a used car a month or so ago. It looks like it has a set of fresh cut key's that ...
FIX posted 5/25/2004
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Message Closed w/FIX
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VIN | 1GNDT13W51 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Always |
Trouble Codes
P1631 | TCM Internal - Clock Processor Performance |
Message Closed w/FIX
Vehicle Data
2001 Chevrolet Blazer LS
VIN | 1GNDT13W51 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Always |
Trouble Codes
P1631 | TCM Internal - Clock Processor Performance |