LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1657 (Engine Control System & Fuel System - 6.6L (LMM) - DTC P0016 To DTC P02E7) >> DTC P0090 >> Repair Procedures

Repair Procedures

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: During code clearing, the ECM must be powered down. Power down is achieved by turning off the ignition key and waiting for loss of communication, indicating power down. The time to power down may vary from vehicle to vehicle. After power down is achieved, turn the ignition key to the ON position and clear the trouble code using the scan tool clear code function and power down ECM. Repeat power down if the trouble code does not clear on first attempt.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.