What does code U302A mean?

Q: What does code U302A mean?

Control Module A Disable Feedback Circuit High. U302A is a generic network communication code indicating that a control module responsible for a disable feedback circuit has detected an abnormally high voltage on that circuit. The module monitors the feedback line and sets this code when the signal voltage exceeds the expected range, often due to a short to power or an open circuit in the feedback path.

DTC codes / U30xx · Network wiring and bus faults / U302A

U302AControl Module A Disable Feedback Circuit High

U302A is a generic network communication code indicating that a control module responsible for a disable feedback circuit has detected an abnormally high voltage on that circuit. The module monitors the feedback line and sets this code when the signal voltage exceeds the expected range, often due to a short to power or an open circuit in the feedback path.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaNetwork wiring and bus faults

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.