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Instrument Panel 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.
INSTRUMENT PANEL DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC B0540 Vehicle Speed Signal
DTC B1023 Switch Signal Circuit Is Low
DTC B1367 Ignition 0 Voltage Circuit Is Less Than 75 Percent Of Battery Voltage
DTC B2961 Ignition 1 Input Signal Circuit Is High
DTC P0461 No Change In Fuel Level Over Distance
DTC P0462 Fuel Level Signal Low
DTC P0463 Fuel Level Signal High
DTC P0608 Commanded Driver State Mismatch
DTC P0654 Commanded Driver State Mismatch
DTC P1431 No Change In Secondary Fuel Level Over Distance
DTC P1432 Secondary Fuel Level Signal Low
DTC P1433 Secondary Fuel Level Signal High