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International Automotive Technicians Network
1999 GMC Safari SL 4.3L Code #CO 242
Posted to GM Brakes on 2/13/2005 7 Replies

ABS light comes on as soon as vehicle goes above 3mph, then stays on.

Code CO242 EBCM control valve circuit.

The diagnostics for this code deal with the 2 wire power and ground connector at the EBCM which is on the frame to the left of the transmission.

Tha...

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  Related Documents & Media  1999 GMC Safari SL

 
Message Closed w/Summary

car Vehicle Data

1999 GMC Safari SL

VIN 1GKEL19WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCode #Co 242
ConditionsLight On
Misc.Awd
Message Closed w/Summary

car Vehicle Data

1999 GMC Safari SL

VIN 1GKEL19WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCode #Co 242
ConditionsLight On
Misc.Awd