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1996 Pontiac Sunfire SE 2.2L No Start, security light on
Code P1629 sets and the car of course will not start. IPC, PCM and the ignition cylinder where changed. I have run redundant grounds for the IPC to the engine ground. Checked and tightened the two grounds behind the IPC. Changed the main battery ground cable. ...
Summary posted 3/5/2001
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| VIN | 1G1JC5245T |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | No Start, Security Light On |
| Occurs | Once Every 5 Weeks |
Trouble Codes
| P1629 | TCM Internal Supply Voltage / Watchdog |
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Vehicle Data
1996 Pontiac Sunfire SE
| VIN | 1G1JC5245T |
| Engine | 2.2 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | No Start, Security Light On |
| Occurs | Once Every 5 Weeks |
Trouble Codes
| P1629 | TCM Internal Supply Voltage / Watchdog |
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