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2002 Chevrolet Impala LS 3.8L MIL Lamp on
hello all Iget these codes relating to the 5 volt ref for the PCM.I have checked for the 5v on each of the sensors,fuel tank pressure sensor,A/C high side pressure sensor,EGR valve ,TPS,and MAP sensor all [...] I disconnect one at a time and start car both the...
FIX posted 7/10/2013
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Message Closed w/FIX
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7 Replies Received
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Related Documents & Media | VIN | 2G1WH55K12 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1635 | 5-Volt Reference 'A' Circuit Malfunction |
| P1639 | TCM Internal - CAN 2 RAM Performance |
Message Closed w/FIX
Vehicle Data
2002 Chevrolet Impala LS
| VIN | 2G1WH55K12 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1635 | 5-Volt Reference 'A' Circuit Malfunction |
| P1639 | TCM Internal - CAN 2 RAM Performance |
Video