Circuit/System Verification
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
P0A2B and P0A31
- Allow the vehicle to cool to ambient temperature by leaving the ignition OFF for at least 6 hours.
- Ignition ON, observe Motor 1 temperature, Motor 2 temperature, and phase U, V, W inverter temperature scan tool parameters.
- The Motor 1 Temperature, Motor 2 Temperature, and phase U, V, W inverter temperature parameters should be within 28°C (50°F) of each other and ambient temperature.
P0A2C, P0A2D, P0A32, and P0A33
Ignition ON, observe the motor control modules motor temperature scan tool parameter.
- The motor temperature parameter should be between 0.29 V and 4.42 V.