P1595 Diagnostic Trouble Code

P1595 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 P1595 diagnostic trouble code may include:

The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Faulty PCM
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 :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data.

Process Tips

Diagnostic trouble code P1595 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 P1595.

Fortunately, P1595 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1595 Trouble Code For Specific Cars

P1595 Lamborghini Gallardo Shift/Timing Solenoid Intermittent
P1595 Honda Ssm RESCU/VEMS Input Circuit Short to Battery
P1595 Abarth Otr 1000 A/C Post Heater Sensor Circuit Failure
P1595 Renault Talisman HO2S Heater Control Circuit (Bank 2 Sensor 1)
P1595 Maserati Kubang Transmission Fluid Pressure Sensor/Switch E Circuit Low
P1595 Mazda Spiano A/C Compressor Temperature Sensor Malfunction
P1595 Fiat Punto Evo Lamp Warning Relay Circuit Open