C1524 Diagnostic Trouble Code

C1524 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 C1524 diagnostic trouble code may include:

Excessive exhaust leak
Hesitation upon acceleration
Malfunction Indicator Lamp (MIL) illuminated
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.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. 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. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio.

Process Tips

Diagnostic trouble code C1524 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 C1524.

Fortunately, C1524 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C1524 Trouble Code For Specific Cars

C1524 Nissan Note Control Module Programming Error
C1524 Citroen Spacetourer
C1524 Toyota Aygo O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
C1524 Isuzu I-280
C1524 Holden Statesman Power Window LR Motor Circuit Open
C1524 Lea-francis 18 System Voltage Unstable
C1524 Lexus Gs TCM Power Input Signal Range/Performance