P202B AUDI - Reductant Tank Heater Control Circuit Low
- Faulty Reductant Tank Heater
- Reductant Tank Heater harness is open or shorted
- Reductant Tank Heater circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P202b Audi DescriptionCheck 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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