P3649 Mazda Cx-9 OBD Code

OBD/2 P3649 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.

Gear changes are accomplished by a command from the TCM to energize the clutch actuator to release the clutch; after which various actuators inside the transmission disengage the current gear, and depending on current operating conditions, engage the next higher or lower gear ratio. All of this happens much faster than a human driver could change gears, and in most applications, gear changes are as smooth and seamless as on any fully automatic transmission.

P3649 Mazda Cx-9 Error Code Repair Process :

If your damper rf circuit open 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 P3649 and engine control unit are in charge of monitoring a bunch of different damper rf circuit open, 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 P3649 OBD2 Code

A common cause of code P3649 is the failure of Damper RF Circuit Open, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Failures of clutch motion/travel sensors.
EVAP system hose leaking
Ignition coils circuit poor electrical connection

P3649 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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P3649 Mazda Cx-9 OBD Code

P3649 Mazda Cx-9 Error Code Repair Process :

Common Causes of Mazda Cx-9 P3649 OBD2 Code

P3649 code for other Mazda cars