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1999 Chevrolet Express 3500 5.7L No Start
Posted to GM Driveability on 12/31/2007 4 Replies

This vehicle came in two weeks ago - was driven to shop. started and drove normally on road test. security light was not on. after scanning pcm and finding p1631 i called driver to ask about security light. he said it comes on "sometimes". I tested battery and...

4 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG35R4X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / VORTEC
EmissionsOBD-II Compliant
SymptomsNo Start
Misc.Fleet Unit

Trouble Codes

P0463Fuel Level Sensor Circuit High Voltage
P1631TCM Internal - Clock Processor Performance
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG35R4X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / VORTEC
EmissionsOBD-II Compliant
SymptomsNo Start
Misc.Fleet Unit

Trouble Codes

P0463Fuel Level Sensor Circuit High Voltage
P1631TCM Internal - Clock Processor Performance