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Our automotive experts have put together the following information about the P050C diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P050C code.

OBD II Fault Code

  • OBD II P050C

OBD-II Code Cooling fans may stay on all the time is defined as a Cold Start Engine Coolant Temperature Performance

In order for the Powertrain Control Module (PCM) to maintain efficient fuel economy and minimize the emissions output from a vehicle, the engine cooling system must reach a critical operating temperature. This temperature, typically between 160-170 degrees, must be reached within 15 minutes after engine startup. If the weather is extremely cold, the coolant temperature must rise at least 70+ degrees starting temperature. If the coolant temperature does not reach operating temperature, or the temperature wanders excessively from this temperature, the PCM can't accurately and efficiently control fuel economy and emissions. The PCM will set code P050C.

Cooling fans may stay on all the time Symptoms

  • A/C may not operate
  • Cooling fans may stay on all the time
  • Increased fuel consumption

Common Problems That Trigger the P050C Code

  • Coolant temperature sensor failure
  • Engine coolant level is too low
  • Powertrain Control Module (PCM) software needs to be updated
  • Thermostat failure

Common Repairs Needed for the P050C Code

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