DTC P1B84 Chevrolet
Theft-alarm sensor LIN timeout
Theft-alarm sensor LIN timeout
Description
The ETACS-ECU receives signal from the theft-alarm sensor. If signal cannot be received at all, DTC U1007 will be set. Connector(s) or wiring harness in the LIN bus lines between the theft-alarm sensor and the ETACS-ECU, the power supply system of the power window main switch, or the theft-alarm sensor itself may be defective.
Cause and Solution
The theft-alarm sensor may be defective. The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector.
Video Guide
Diagnostic Info
- DTC Code: P1B84
- Brand: Chevrolet