C1341 Diagnostic Trouble Code

C1341 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code.

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.

Symptoms

Symptoms of a C1341 diagnostic trouble code may include:

Faulty O2 Sensor
Lack of power
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

Now, clear the codes and test-drive the vehicle to see if the code is reset. 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.

Process Tips

Diagnostic trouble code C1341 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 C1341.

Fortunately, C1341 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C1341 Trouble Code For Specific Cars

C1341 Mazda Mazdaspeed Turbocharger Boost Sensor A Circuit Range/Performance
C1341 Ferrari 575 Intake Valve Control Solenoid Circuit (Bank 1)
C1341 Chevrolet Grand Blazer Dual Alternator Lower Circuit Malfunction/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage
C1341 Mercedes-benz Cls Class Air Suspension Compressor Relay Circuit Open
C1341 Ford Coin Low Coolant Lamp Output Circuit Short to Battery
C1341 Pontiac Star Chief Flash To Pass Switch Circuit Short To Ground
C1341 Honda City Pressure Control Solenoid C Stuck On