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P202B Diagnostic Trouble Code Discussion for December 2014

control circuit for redundant tank heater

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Trouble Ticket Help Requests for DTC P202B
Help Request Posted
2010 Volkswagen Touareg TDI 3.0L MIL Lamp on VIN: WVGFK7A95A
P202B: control circuit for redundant tank heater. Looking for some insight and any diagnostic information you can provide. We are an auto/diesel shop but see very few VW with this engine. customers only complaint is that the check engine light on. Thanks for your help
December 11, 2014