u0202 lost communication with door control module d
OBD2 Code: U0202
Description: Lost Communication With Door Control Module D
Definition: This code indicates that the vehicle’s main computer, also known as the Powertrain Control Module (PCM), has lost communication with the Door Control Module D. The PCM relies on data from various modules to ensure proper operation of vehicle systems, and a loss of communication can affect functionality related to doors.
U0202: Lost Communication with Door Control Module D
– Severity: Critical
Common Causes
U0202 – Lost Communication With Door Control Module D
Common Causes:
- Faulty door control module
- Wiring or connection issues between the module and the vehicle’s network
- Corroded or damaged wiring harness
- Power or ground circuit problems
Common Misdiagnosis
OBD2 Code: U0202
Description: Lost Communication with Door Control Module D
Common Misdiagnosis: Faulty door lock actuator or wiring issues are often misdiagnosed as a problem with the door control module itself.
Common Diagnostic Steps
OBD2 Code: U0202
Description: Lost Communication with Door Control Module D
Common Diagnostic Steps:
- Check for any other related trouble codes that might indicate a broader issue.
- Inspect the wiring and connectors between the door control module and the vehicle’s main communication network for damage or disconnection.
- Test the power supply and ground connections to the door control module to ensure they are functioning correctly.
- Use a scan tool to attempt communication with the door control module. If unsuccessful, it may need replacement or reprogramming.
- If equipped, check for updates or technical service bulletins (TSBs) related to this code from the vehicle manufacturer.