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International Automotive Technicians Network
2003 Chevrolet Express 2500 5.3L Overdrive
Posted to GM Transmission on 2/8/2010 14 Replies

To all the GM techs. Just to verify, if the Tow/Haul light is flashing, and the trans is shifting in and out of overdrive, Does it need to have the trans gone through or is it an electrical issue? Alldata does not give any info for checking this. And I have no...

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  Related Documents & Media  2003 Chevrolet Express 2500

 
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car Vehicle Data

2003 Chevrolet Express 2500

VIN 1CFG25T731
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedOverdrive
ConditionsGoes Into and Out of O/D When Tow/Haul Light Flash
Message Closed

car Vehicle Data

2003 Chevrolet Express 2500

VIN 1CFG25T731
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedOverdrive
ConditionsGoes Into and Out of O/D When Tow/Haul Light Flash