TorqueMech Beta
TorqueMech OBD Code Guide

P0117 - Engine Coolant Temperature Circuit Low Input

ECT signal indicates very hot (low voltage).

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Code Meaning

ECT signal indicates very hot (low voltage).

Common Causes

Short to ground
ECT sensor failed

Quick Checks

  • Inspect wiring
  • Check resistance vs temp
  • Verify reference voltage

Likely Repairs

Use test results to confirm the fault before pricing the repair.

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Related Codes

P0115
Engine Coolant Temperature Circuit Malfunction
Open ->
P0118
Engine Coolant Temperature Circuit High Input
Open ->
P0128
Coolant Thermostat Below Regulating Temp
Open ->

Next Steps

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