2003 Chevrolet C4500 Kodiak C4C042 8.1L Speedo
PCM got replaced now speedometer is not right off by 10 to 15 miles. I have reprogramed it and still is off. You can install the old one and works fine but you have to jump the starter to get it to run. Put the new one in and starts with key but the speed is o...
FIX posted 11/18/2014
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Vehicle Data2003 Chevrolet C4500 Kodiak C4C042
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Vehicle Data
2003 Chevrolet C4500 Kodiak C4C042
VIN | 1GBC4E1EX3 |
Engine | 8.1 L / 8 cyl / GAS |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Speedo |