Service Information

Captiva

DTC B3622

Circuit Description

The body control module (BCM) monitors the signal circuit voltage. If the voltage level is too high, damage may result in the system. When a high voltage condition is detected, the BCM will ignore the switch command.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B3622-Steering Wheel Controls Signal Circuit

Conditions for Running the DTC

Ignition ON.

Conditions for Setting the DTC

BCM detects voltage above 18.5 volts for 100 msec.

Action Taken When the DTC Sets

BCM will ignore the switch command.

Conditions for Clearing the MIL/DTC

•	The condition for setting the DTC is no longer present and the DTC is cleared with a scan tool.

•	The BCM automatically clears the history DTC when a current DTC is not detected in 100 consecutive ignition cycles