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Home/DTC Codes/Chevrolet/Spark EV/2015-2015 Electric Motor/P2138
P2138

Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation

2015-2015 Chevrolet Spark EV Electric Motor 🇩🇪

Critical SeverityPowertrain

Description

The dual accelerator pedal position sensors report conflicting values.

Symptoms

  • Limp mode
  • No throttle response
  • Check engine light
  • Engine at idle only

Common Causes

  • Failed APP sensor
  • Corroded pedal connector
  • Wiring fault
  • 5V reference issue

Diagnostic Steps

  1. Check APP sensor D and E voltages
  2. Verify 5V reference
  3. Inspect pedal connector

Repair Notes

Replace accelerator pedal assembly. Check shared 5V reference circuit.

Related Codes

P2122Throttle/Pedal Position Sensor/Switch D Circuit LowP2135Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation

Other Powertrain Codes

P2138 on Other Vehicles

Chevrolet Astro

1996-1996 4.3L V6 Vortec

Chevrolet Astro

1997-1997 4.3L V6 Vortec

Chevrolet Astro

1998-1998 4.3L V6 Vortec

Chevrolet Astro

1999-1999 4.3L V6 Vortec

Chevrolet Astro

2000-2000 4.3L V6 Vortec

Chevrolet Astro

2001-2001 4.3L V6 Vortec

Chevrolet Astro

2002-2002 4.3L V6 Vortec

Chevrolet Astro

2003-2003 4.3L V6 Vortec

Common Questions

What does code P2138 mean on a 2015-2015 Chevrolet Spark EV?

P2138 stands for "Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation". The dual accelerator pedal position sensors report conflicting values.

What are the symptoms of P2138 on a Chevrolet Spark EV?

Common symptoms of P2138 include: Limp mode, No throttle response, Check engine light, Engine at idle only.

What causes P2138 on a 2015-2015 Chevrolet Spark EV?

Common causes of P2138 include: Failed APP sensor, Corroded pedal connector, Wiring fault, 5V reference issue.

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