P1122 Chevrolet Blazer OBD Code

OBD/2 P1122 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.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

P1122 Chevrolet Blazer Error Code Repair Process :

If your p1122 throttle position sensor circuit intermittent low voltage 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 P1122 and engine control unit are in charge of monitoring a bunch of different p1122 throttle position sensor circuit intermittent low voltage, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Chevrolet Blazer P1122 OBD2 Code

A common cause of code P1122 is the failure of P1122 Throttle Position Sensor Circuit Intermittent Low Voltage, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty Intake Valve Timing Control Solenoid Valve
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
Open or short in the CMP sensor circuits

P1122 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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P1122 Chevrolet Blazer OBD Code

P1122 Chevrolet Blazer Error Code Repair Process :

Common Causes of Chevrolet Blazer P1122 OBD2 Code

P1122 code for other Chevrolet cars