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International Automotive Technicians Network
2003 Chevrolet Tahoe LT 5.3L Electronic Control
Posted to GM PowerTrain on 12/17/2008 2 Replies

This truck had a lot of codes for the 4wd control system: C0300 C0305 C0359 C0374 C0379 C0550

Also had B0790 B2725 U1301 U1227

(wowzas!)

System hard-codes a C0321 - transfer case lock malfunction - after clearing DTCs.

Per GM's TSB since I had a C0550 I th...

2 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Tahoe LT

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Tahoe LT

VIN 1GNEK13Z63
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedElectronic Control
ConditionsNo 4WD
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Tahoe LT

VIN 1GNEK13Z63
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedElectronic Control
ConditionsNo 4WD