Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P0698
- The ECM detects the 5-volt reference 3 circuit voltage is less than 4.7 volts.
- The above condition is present for 2 seconds.
P0699
- The ECM detects the 5-volt reference 3 circuit voltage is more than 5.2 volts.
- The above condition is present for 2 seconds.