DTC P1642 Chevrolet
LED Group 2 Circuit. Signal Too High
LED Group 2 Circuit. Signal Too High
Description
The steering wheel angle sensor has two circuits each with 4 LEDs and 4 receptors which read off their individual code wheel. One circuit measures the steering wheel angle and the other measures steering wheel revolutions. If the control unit registers that the current passing through the LED group circuit is too high, diagnostic trouble code SAS-0002 or SAS-0026 is set, depending on the group.
Cause and Solution
Contact resistance or oxidation in connections or connectors.Short circuit to voltage supply in LED circuit.LED 1-4 defective (diagnostic trouble code SAS-0002).LED 5-8 defective (diagnostic trouble code SAS-0026).Defective control unit.
Video Guide
Diagnostic Info
- DTC Code: P1642
- Brand: Chevrolet