P340D Porsche 944 OBD Code

OBD/2 P340D error code description and symptoms.

Brake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P340D Porsche 944 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P340D light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If system power relay circuit short to battery so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the system power relay circuit short to battery.

Difficulty Level (Easy)
Level
Repair Time (20 Min.)
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Cost Prediction : $ 30-110

Common Causes of Porsche 944 P340D OBD2 Code

A common cause of code P340D is the failure of System Power Relay Circuit Short to Battery, but there are several other possible causes as well, such as ;
Wrench Tool P340D is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

P340D code for other Porsche cars

You can view according P340D DTC for your car model. We selected several models to see obd2 solutions click and view it.

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