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1999 GMC Sierra 1500 SL 5.3L No Start
Posted to GM Driveability on 9/10/2005 7 Replies

this truck has a intermittent no start security [...] computer is turning off the fuel injectors because it thinks the pass code is incorrect. the key lock cylinder is [...] is the 3rd GM vehichle to come to my shop with this pass code or pass lock problem. th...

7 Replies Received (View Replies)

  Related Documents & Media  1999 GMC Sierra 1500 SL

 
Message Closed w/FIX

car Vehicle Data

1999 GMC Sierra 1500 SL

VIN 1GTEK19T7X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently
Misc.4X4 Ext Cab

Trouble Codes

P1631TCM Internal - Clock Processor Performance
Message Closed w/FIX

car Vehicle Data

1999 GMC Sierra 1500 SL

VIN 1GTEK19T7X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently
Misc.4X4 Ext Cab

Trouble Codes

P1631TCM Internal - Clock Processor Performance