P055D Mazda Cx-9 OBD Code

OBD/2 P055D 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.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

P055D Mazda Cx-9 Error Code Repair Process :

If your keep alive memory test failure check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P055D and engine control unit are in charge of monitoring a bunch of different keep alive memory test failure, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Mazda Cx-9 P055D OBD2 Code

A common cause of code P055D is the failure of Keep Alive Memory Test Failure, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
EVAP canister or fuel tank leaks
1Camshaft Position Sensor circuit poor electrical connection

P055D 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.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P055D Mazda Cx-9 OBD Code

P055D Mazda Cx-9 Error Code Repair Process :

Common Causes of Mazda Cx-9 P055D OBD2 Code

P055D code for other Mazda cars