P0117 – Chevrolet Corvette C5 DTC

Chevrolet Corvette C5 DTC P0117 – Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

DTC P0117 meaning on Chevrolet Corvette C5

The DTC P0117 on a Chevrolet Corvette C5 indicates a problem with the Engine Coolant Temperature (ECT) Sensor Circuit, specifically that the voltage is lower than the expected range.

Chevrolet Corvette C5 DTC P0117 symptoms

Some common symptoms of DTC P0117 on a Chevrolet Corvette C5 may include:

  • Check Engine Light illuminated
  • Inaccurate temperature gauge readings
  • Poor fuel economy
  • Engine running too cold or too hot

Chevrolet Corvette C5 DTC P0117 causes

The potential causes of DTC P0117 on a Chevrolet Corvette C5 include:

  • Faulty ECT sensor
  • Corroded or damaged ECT sensor wiring
  • Issues with the ECT sensor circuit
  • Low engine coolant level

Chevrolet Corvette C5 DTC P0117 seriousness

While DTC P0117 may not cause immediate harm to the vehicle, it can lead to poor engine performance, reduced fuel efficiency, and potential long-term engine damage if left unresolved.

How to diagnose DTC P0117 on Chevrolet Corvette C5

To diagnose DTC P0117 on a Chevrolet Corvette C5, you can:

  1. Use an OBD-II scanner to retrieve the trouble codes
  2. Inspect the ECT sensor and its wiring for any visible damage
  3. Test the ECT sensor’s resistance and voltage output
  4. Check the engine coolant level and condition

How to fix DTC P0117 on Chevrolet Corvette C5

To fix DTC P0117 on a Chevrolet Corvette C5, you may need to:

  1. Replace the faulty ECT sensor
  2. Repair or replace any damaged wiring in the ECT sensor circuit
  3. Ensure the engine coolant level is adequate and the system is functioning properly

How to erase DTC P0117 on Chevrolet Corvette C5

To erase DTC P0117 on a Chevrolet Corvette C5, you can:

  1. Use an OBD-II scanner to clear the trouble codes
  2. After fixing the underlying issue, drive the vehicle to allow the system to retest and verify the repair

Recommended tools for Chevrolet Corvette C5 diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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