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2003 GMC W4500 Forward W4S042 6.0L MIL Lamp on
Posted to GM Driveability on 6/28/2010 3 Replies

Vehicle came in with P0120 and P2135. Previously worked on by another shop and throttle body assm. replaced. I only found codes in system never could duplicate fault or see anything on scanner, voltmeter or scope. Warrantied T/B assm. through local dealer and ...

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  Related Documents & Media  2003 GMC W4500 Forward W4S042

 
Message Closed w/FIX

car Vehicle Data

2003 GMC W4500 Forward W4S042

VIN 4KDB4B1U83
Engine6.0 L / 8 cyl / GAS
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0120Throttle Position Sensor Circuit Malfunction
P1516Control Module Throttle Actuator Position Performance
P2135Throttle Position Sensor 1/2 Incorrect Voltage Correlation
Message Closed w/FIX

car Vehicle Data

2003 GMC W4500 Forward W4S042

VIN 4KDB4B1U83
Engine6.0 L / 8 cyl / GAS
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0120Throttle Position Sensor Circuit Malfunction
P1516Control Module Throttle Actuator Position Performance
P2135Throttle Position Sensor 1/2 Incorrect Voltage Correlation