OBDII Code List

P202A VOLKSWAGEN - Reductant Tank Heater Control Circuit/Open

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

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

Possible symptoms

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

P202a Volkswagen Description

Check the tank connections, and power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present, replace the Reduction Agent Tank Module assembly.
OBDII Code P202a Volkswagen - Reductant Tank Heater Control Circuit/Open -

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