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2003 Chevrolet Silverado 2500 HD 8.1L No Start
Posted to GM Driveability on 9/27/2018 9 Replies

Overall the truck is untampered with-no aftermarket stuff and no cut or patched wires, rodent marks, etc. I'm the third to aquire this project, others before me have replaced an amazing amount of parts from the throttle body to a cmp sensor, the local deal...

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car Vehicle Data

2003 Chevrolet Silverado 2500 HD

VIN 1GCHC23G43
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P0342Camshaft Position Sensor Circuit Low Input
P0343Camshaft Position Sensor Supply Voltage Too High
P0700Automatic Transaxle System Malfunction
P1518Throttle Actuator Control Module Serial Data Malfunction
U1024Loss Of Communication With Transmission Control Module
Open Help Request

car Vehicle Data

2003 Chevrolet Silverado 2500 HD

VIN 1GCHC23G43
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P0342Camshaft Position Sensor Circuit Low Input
P0343Camshaft Position Sensor Supply Voltage Too High
P0700Automatic Transaxle System Malfunction
P1518Throttle Actuator Control Module Serial Data Malfunction
U1024Loss Of Communication With Transmission Control Module