C15CC Diagnostic Trouble Code

C15CC 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 C15CC diagnostic trouble code may include:

Fuel pressure too low
Rich or lean exhaust
Diminished fuel efficiency
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Faulty IMRC actuator relay (if equipped)
Faulty IMRC actuator/sensor

Repair Processes :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code C15CC 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 C15CC.

Fortunately, C15CC is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C15CC Trouble Code For Specific Cars

C15CC Delage D Hydraulic Oil Temperature Sensor Circuit Intermittent
C15CC Ferrari 408 Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic
C15CC Chevrolet Impala Dynamic Stability Control Left Front Valve Malfunction
C15CC Mazda 110 Transmission Transfer Case Contact Plate 'A' Open Circuit
C15CC Nissan Platina Cooling Fan Rationality Check Malfunction
C15CC Buick Roadmaster Cylinder Head Temp Sensor Out Of Self Test Range
C15CC Ferrari 348 Intake Air Temperature Circuit High Input