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1998 Chevrolet K1500 Cheyenne 5.7L No Communication
Posted to GM Driveability on 7/29/2008 7 Replies

This is the first time this truck has been in our shop. We are doing a Missouri Emissions Test. The Emissions OBD II tester does see valid voltage at the OBD II port, but is unable to communicate with the PCM. I have 12v on terminal #16 and good ground on #4 &...

7 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet K1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19R9W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Communication
OccursAlways
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet K1500 Cheyenne

VIN 2GCEK19R9W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Communication
OccursAlways