Conditions for Setting the DTC
WARNING: This page is about a different car, the 2009 GMC Yukon, 2009 Chevrolet Tahoe, 2009 Chevrolet Suburban, and 2009 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The system monitors the voltage on the neutral indicator control circuit.
- The TCCM detects a voltage of 1.6 V or less for 1.5 seconds when the neutral indicator is commanded ON.
- If the TCCM detects a voltage of 3.4 V or greater when the neutral indicator is commanded OFF.