Chevrolet Avalanche 1500 P20D6 Engine Error Code

When you check Chevrolet Avalanche 1500 car engine light came on code P20D6 the reason should be . However Chevrolet manufacturer may have a different definition for the P20D6 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

On 1999 and later P20D6 Chevrolet Avalanche 1500 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

Chevrolet Avalanche 1500 P20D6 OBD-II Diagnostic Powertrain (P) Trouble Code Description P20D6 Exhaust Aftertreatment Fuel Injector B Stuck Closed so you have to check ODB-II Engine Error Code list. Reason For Chevrolet Avalanche 1500 P20D6 Code The reason of Chevrolet Avalanche 1500 P20D6 OBD-II Engine Error Code is P20D6 Exhaust Aftertreatment Fuel Injector B Stuck Closed.

The P20D6 Chevrolet Avalanche 1500 Check Engine lamp is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks P20D6 Chevrolet Avalanche 1500 with your car's computers to find out exactly what's prompting the light to turn on.

Chevrolet Avalanche 1500 P20D6 Possible Solution :

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

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