One problem related to underhood wiring has been reported for the 2003 GMC Savana. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Savana based on all problems reported for the 2003 Savana.
2003 GMC savanna 2500 ext van 6. 0 h. O. Engine. Malfunction fuel gauge, electrical burning smell from dash. Radio failed four times and has failed again. Can not turn radio off without opening hood and pulling fuse. Broken dashboard all four times. No radio since September 2005 in operation, and dealer will not install new unit. They will only have it rebuilt?. Truck has run out of gas when gauge reads 1/2 tank on many occassions!.
| Underhood Wiring problems | |
| Alternator/generator/regulator problems | |
| Horn Assembly problems |