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Re: P2138 APP Correlation, Intermittent limp mode. APP Sensor
Posted to Technical Discussion Forum on 12/14/2023 4 Replies

I agree with Steve, the description I found states, P2138 is defined as "Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation." It is triggered when the vehicle's Engine Control Module (ECM) detects that the signals from the two throttle positi... Login to read more.

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