Reductant Tank Heater Control Circuit/Open

Table of contents

P202A AUDI Possible Causes

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

How do I fix code P202A AUDI?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the P202A AUDI code

  The cost of diagnosing the P202A AUDI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P202A AUDI 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.


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