P1806 Trouble Code

View P1806 obd/2 error code description and symptoms. P1806 engine photo

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.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

P1806 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P1806 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 p1806 transmission 4-wheel drive high indicator short circuit 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 p1806 transmission 4-wheel drive high indicator short circuit to battery.

P1806 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.

Common Causes of P1806

A common cause of code P1806 is the failure of P1806 Transmission 4-Wheel Drive High Indicator Short Circuit To Battery, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
EVAP system hose leaking
Fuel injectors may be faulty
Intake air leaks

P1806 code for all cars

You can view according P1806 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P1806 Mazda Grand

+P1806 Lada Tarzan

+P1806 Tatra T77

+P1806 Honda Acura Cl

+P1806 Hyundai Azera 4

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

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