It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.
SymptomsSymptoms of a U2129 diagnostic trouble code may include:
Possible Causes :
Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. Look at the plug wires to make sure they are not burnt or laying on the exhaust.
Diagnostic trouble code U2129 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.
Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before U2129.
Fortunately, U2129 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.