P1203 Trouble Code

View P1203 obd/2 error code description and symptoms. P1203 engine photo

Mass Air Flow (MAF) Sensor Intermittent The MAF sensor circuit is monitored by the PCM for sudden voltage (or air flow) input change through the comprehensive component monitor (CCM). If during the last 40 warm-up cycles in key ON engine running the PCM detects a voltage (or air flow) change beyond the minimum or maximum calibrated limit, a continuous memory diagnostic trouble code (DTC) is stored.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

Difficulty Level (Expert)
Level
Repair Time (60 Min.)
Time
Cost Prediction : $ 25-45

P1203 Error Code Repair Process :

For p1203 injector circuit open / shorted cylinder #3 check engine light 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. P1203 error code 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 p1203 injector circuit open / shorted cylinder #3 with your car's computers to find out exactly what's prompting the light to turn on.

Wrench Tool P1203 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 P1203

A common cause of code P1203 is the failure of P1203 Injector Circuit Open / Shorted Cylinder #3, but there are several other possible causes as well, such as ;

P1203 code for all cars

You can view according P1203 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P1203 Toyota Fxs +P1203 Du Pont Model +P1203 Chrysler Atlantic +P1203 Mazda 818 +P1203 Strathcarron Sc-5a

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