P1315 Diagnostic Trouble Code

P1315 is a kind of OBD-II Diagnostic P-Powertrain 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 P1315 diagnostic trouble code may include:

Vacuum leak on the engine
Reduction in engine performance, especially at low RPM levels
Engine surge
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Now, clear the codes and test-drive the vehicle to see if the code is reset.

Process Tips

Diagnostic trouble code P1315 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 P1315.

Fortunately, P1315 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1315 Trouble Code For Specific Cars

P1315 Subaru Stella Line Pressure Solenoid System
P1315 Renault Kwid GPS Receiver Error
P1315 Italdesign Twenty Seat Belt Switch Circuit Failure
P1315 Ford Ltd Mirror Driver Up Circuit Short To Battery
P1315 Maserati Mc12 Transmission Fluid Pressure Sensor/Switch F Circuit High
P1315 Mitsubishi Se-ro Aux Heater Fuel Pump Circuit Short to Ground
P1315 Suzuki Baleno Ii Memory 2 Switch Circuit Open