U0291 - Lost Communication With Gear Shift Control Module B
U0291 is a generic network/communication diagnostic trouble code indicating Lost Communication With Gear Shift Control Module B. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Network/Communication (U) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | 91 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code U0291 mean?
The dtc/">diagnostic trouble code U0291 represents Lost Communication With Gear Shift Control Module B. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
Detailed diagnostic guides and specific fix procedures for code U0291 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about U0291
What does U0291 mean?
The diagnostic trouble code U0291 represents Lost Communication With Gear Shift Control Module B. This standard generic code points to a monitored fault condition in the vehicle's Network/Communication network.
What is the system for U0291?
The U0291 code is located in the vehicle's Network/Communication network.