DTC P0604 Chevrolet
Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction
Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction
Description
Ignition ON. System voltage 9-18 V.
Cause and Solution
The TCCM reads a low voltage, when a high voltage is expected, on the 4WD LO circuit.The TCCM thermal model inside the 4WD LO driver signals an over temperature condition.
Video Guide
Diagnostic Info
- DTC Code: P0604
- Brand: Chevrolet