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1998 Chevrolet K1500 Cheyenne 5.0L No Start
Hi techs, This truck has an intermittant no start every 3or4 days. The security system is activated and creates the no start. It always has the same code(po1631 invalid password detected). The truck usually starts after an hour or so. I haave replaced the igni...
FIX posted 7/25/2002
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GCGK24M1W |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | No Start |
| Occurs | Intermittently |
| Misc. | Security Lamp on Intermittantly |
Trouble Codes
| P1631 | TCM Internal - Clock Processor Performance |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet K1500 Cheyenne
| VIN | 1GCGK24M1W |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | No Start |
| Occurs | Intermittently |
| Misc. | Security Lamp on Intermittantly |
Trouble Codes
| P1631 | TCM Internal - Clock Processor Performance |
Video