P20C7 FORD - Reductant Heater 'D' Control Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Reductant Heater
  • Reductant Heater harness is open or shorted
  • Reductant Heater circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P20c7 Ford Description

The reductant heater and sender assembly contains pickup tube for reductant pump module, an electric heating element, a reductant temperature sensor and an electrode type level sensor. The heating element is directly above pickup tubes inlet filter. When reductant temperature sensor detects the diesel exhaust fluid temperature dropping to the freezing point of 12°F (-11°C), the Powertrain Control Module (PCM) will command the glow plug control module to provide voltage to heating element. The heating element thaws liquid reductant within reductant heater and sender assembly reservoir during cold ambient temperatures.

OBDII Code P20c7 Ford - Reductant Heater 'D' Control Circuit Low - AutoCodes.com

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P20C7 FORD Comments

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