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1999 Chevrolet Blazer 4.3L No Start
Posted to GM Driveability on 4/10/2007 7 Replies

Very strange no start problem. No pwr to fuel pump relay KOEO. Fuel pump works with prime connector. Replaced ign. switch (common problem). Verified correct install of switch, turned both switch and key to ACC. No comm. w/ VCM in run position, other modules co...

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  Related Documents & Media  1999 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W8X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways
Misc.4-Dr

Trouble Codes

B2961Key in ignition circuit fault history
U1255Class 2 Communication Malfunction
U1301Class 2 Data Line Short To Voltage
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W8X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways
Misc.4-Dr

Trouble Codes

B2961Key in ignition circuit fault history
U1255Class 2 Communication Malfunction
U1301Class 2 Data Line Short To Voltage