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Y dose my astra van 2l diesel keep coming up with code 1515 accelerator pedal position sensor circuit error .ive change the accelerator pedal

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  • Terry Rodgers Jr.
    Terry Rodgers Jr. Nov 30, 2014

    Hi leigh ford, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?

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Check the sensors output for variable resistance while moving the lever, and check the wires for shorts with an ohm meter while the engine is key off.

Posted on Dec 01, 2014

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Check engine light came on. Gave the codes P1285 and P0125. I put coolant in my 2001 rodeo isuzu but it won’t shift after 20 mph. I also changed the ACG-S and O2 heater sensor fuses. What can be the reason...


code p 0125 refers to insufficient coolant temperature for closed loop fuel control===causes ---wiring --- cooling system---coolant thermostat---ECT sensor---ECM
code p1285 for isuzu refer to accelerator pedal position sensor 3 circuit
the accelerator pedal position (APP) sensors are located within the throttle actuator control (TAC) module assembly
The TAC module assembly is mounted to the accelerator pedal bracket
There are 3 individual APP sensors within the TAC module
3 separate signal circuits, low reference circuits , and 5 -volt references circuits are used in order to determine the APP
The APP signal voltage increases when the accelerator pedal is depressed

Dec 24, 2017 | Isuzu Cars & Trucks

1 Answer

Have a 2010 Chevy impala. Reduced engine power. Service traction control and stability track. and check engine light. Codes are P2138 P2122 P0455


Electronic throttle control !
DTC P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation

2009 Chevy Silverado P2138 Accelerator Pedal Position


Circuit/System Description
The throttle actuator control (TAC) system uses two accelerator pedal position (APP) sensors to monitor the accelerator pedal position. The APP sensors 1 and 2 are located within the pedal assembly. Each sensor has a 5-volt reference circuit, a low reference circuit, and a signal circuit.
Two processors are also used to monitor the TAC system data. Both processors are located within the engine control module (ECM). Each signal circuit provides both processors with a signal voltage proportional to pedal movement. The processors share and monitor data to verify that the indicated APP calculation is correct.

DTC P0455: Evaporative Emission (EVAP) System Large Leak

The control module tests the evaporative emission (EVAP) system for a large leak. The control module monitors the fuel tank pressure (FTP) sensor signal to determine the EVAP system vacuum level. When the conditions for running are met, the control module commands the EVAP canister purge solenoid valve OPEN and the EVAP vent solenoid valve CLOSED. This allows engine vacuum to enter the EVAP system. At a calibrated time, or vacuum level, the control module commands the EVAP canister purge solenoid valve closed, sealing the system, and monitors the FTP sensor input in order to determine the EVAP system vacuum level. The following table illustrates the relationship between the ON and OFF states, and the OPEN or CLOSED states of the EVAP canister purge and vent solenoid valves.

Nov 03, 2017 | Cars & Trucks

2 Answers

2007 chevy tahoe loses power


No messaage of reduced engine power ? Your vehicle has electronic throttle control . Has four position sensors , two are located in the gas pedal ,an two in the throttle body . The PCM uses these sensor to know how much to open the throttle plate ,allowing more air into the engine . How did you read this code an where did you read it's definition at ? This is not a code for your vehicle . Some time cheap code readers get them wrong .
DTC P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation

DTC P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
DTC P2101: Throttle Actuator Position Performance
DTC P2119: Throttle Closed Position Performance
DTC P2176: Minimum Throttle Position Not Learned

If one of this position sensors is bad it will throw the PCM into a
Reduced Engine Power Mode
When the ECM detects a condition with the TAC system, the ECM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
• Acceleration limiting--The ECM will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.
• Limited throttle mode--The ECM will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.
• Throttle default mode--The ECM will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.
• Forced idle mode--The ECM will perform the following actions:
- Limit engine speed to idle by positioning the throttle position, or by controlling the fuel and spark if the throttle is turned off.
- Ignore the accelerator pedal input.
• Engine shutdown mode--The ECM will disable fuel and de-energize the throttle actuator.


017 Accelerator Pedal Position Sensors
Drive by Wire Function and diagnostics by Wells

Jan 01, 2018 | 2002 Oldsmobile Silhouette

1 Answer

Error code light came on P1227


possible
  • Harness or connectors (The APP sensor 2 circuit is open or shorted.)
  • Accelerator pedal position sensor (Accelerator pedal position sensor 2)



  • Dec 11, 2012 | 2004 Daihatsu YRV

    2 Answers

    Reduced engine power, service traction control, service stabilitrak


    First of all a scan tool is need for this not a code reader, you need to view scan data after you find what code is stored in the PCM. It could have a problem with the powertrain control module, wiring, or the Accelerator Pedal Position (APP) Sensors. Here are a few codes that could set .
    DTC P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit

    DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage

    DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage

    DTC P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit

    DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage

    DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage

    DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation

    Oct 02, 2012 | 2008 Chevrolet Tahoe LS

    3 Answers

    Error code p2138


    Here is the definition. You may need to have someone check the accelerator pedal position sensor and the circuit.

    P2138 NISSAN Description The Accelerator Pedal Position (APP) sensor is installed on the upper end of the accelerator pedal assembly. The sensor detects the accelerator position and sends a signal to the Engine Control Module (ECM).
    Accelerator pedal position sensor has two sensors. These sensors are a kind of potentiometers which transform the accelerator pedal position into output voltage, and emit the voltage signal to the ECM.
    In addition, these sensors detect the opening and closing speed of the accelerator pedal and feed the voltage signals to the ECM. The ECM judges the current opening angle of the accelerator pedal from these signals and controls the throttle control motor based on these signals.
    Idle position of the accelerator pedal is determined by the ECM receiving the signal from the accelerator pedal position sensor. The ECM uses this signal for the engine operation
    such as fuel cut.
    Read more: http://engine-codes.com/p2138_nissan.html#ixzz26J3D2x8s

    Sep 12, 2012 | 2010 Nissan Versa 1.8

    1 Answer

    Error code p1271 on trailblazer


    That trouble code is faulting the accelerator pedal sensor. The APP sensors are located in a TAC module mounted to the accelerator pedal bracket. There are three individual APP sensors within the TAC module. Three separate signal circuits, low reference circuits, and 5v reference circuits are used to determine the accelerator pedal position. The APP sensor signal voltages increase when the accelerator pedal is depressed.

    Nov 26, 2011 | 2003 Chevrolet TrailBlazer

    2 Answers

    I have these codes coming up on my 2005 Dodge Ram. 5.7 liter motor: P0406 P2096 P0137 P2299 Thank you.


    code #0406 = egr position sensor circuit high ( stuck egr valve or bad egr sensor most likely sensor )

    code #2096 = downstream fuel trim system lean ( see next code )

    code #0137 = O2 sensor bank 1 sensor 2 circuit low ( replace rear O2 sensor driver side )

    code #2299 = brake peddle position/accelerator pedal position incompatible. ( hav you been power braking this truck? ) ( brake light was on wile accelerator was being pushed )

    Mar 17, 2011 | 2005 Dodge Ram

    2 Answers

    Throttle/Pedal Position Sensor/Switch B Circuit Range Performance


    there is no adjustment on these tps's it's a drive by wire system. If you don't know the vehicle, dont post!
    there's 2 sensors contained in the pedal sensor, and one on the throttle plate shaft, more often than not, it's the pedal sensor, and if you replaced that, it's the other one or a loose connection. did you reset the computer after replacing the pedal?

    Sep 13, 2009 | 2002 Volkswagen Beetle Turbo S

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