P2138Critical severity

Throttle Position Sensor D/E Voltage Correlation

Throttle position sensors D and E are sending conflicting signals.

Safe to Drive?
No

Have this diagnosed before driving further

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$150 - $600
Common Causes
  • Faulty accelerator pedal assembly
  • Wiring issue
  • Connector problem
Recommended Action

Replace accelerator pedal position sensor assembly.

What does P2138 mean?

The P2138 OBD-II diagnostic trouble code (DTC) indicates: throttle position sensor d/e voltage correlation. This is a critical-severity powertrain code that your vehicle's onboard diagnostics system triggers when throttle position sensors d and e are sending conflicting signals. If your check engine light is on with this code, you should have the vehicle inspected immediately before driving further.

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