u1160 lost communications with driver door module

OBD2 Code: U1160

Description: Lost Communications with Driver Door Module

Definition: This code indicates that the vehicle’s main control module has lost communication with the driver door module. The driver door module is responsible for controlling functions such as power windows, locks, and mirrors on the driver’s side. A loss of communication can be due to wiring issues, a faulty module, or network problems within the vehicle’s communication system.

: Lost Communication with Driver Door Module
Severity: Moderate

Common Causes

Common causes of this OBD2 code include:

• Faulty driver door module
• Wiring issues between the driver door module and the main vehicle communication network
• Interference from other electronic devices affecting communication with the driver door module

Common Misdiagnosis

Lost Communications with Driver Door Module
Faulty door lock actuator or wiring issues unrelated to the communication network.

Common Diagnostic Steps

OBD2 Code: U1160
Description: Lost Communications with Driver Door Module
Common Diagnostic Steps:

• Check for any other related trouble codes that might indicate a broader issue.
• Inspect the wiring and connectors between the driver door module and the main control unit for damage or disconnection.
• Test the power supply and ground connections to the driver door module.
• Use a scan tool to check if communication can be re-established with the driver door module.
• If equipped, perform a network reset or reprogramming of the driver door module using manufacturer-specific procedures.
• Replace the driver door module if it is found to be faulty after all other checks are completed.