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REATAINED Accessory Power DTCS
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 GMC C3500 HD, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
RETAINED ACCESSORY POWER DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC |
Description |
| DTC B1477 |
No Voltage At RAP#1 Relay Control Circuit |
| DTC B1478 |
Short To Battery In The RAP#1 Relay Control Circuit |