Supersedes Technical Service Bulletin Group 80 number 13-03 dated May 13, 2013
Audi technical service bulletin A801304 2033806- for 2012-2013 Audi A6, 2012-2013 Audi Q5 and 2011-2013 Audi Q7 and others.
- Bulletin number
- A801304 2033806-
- Component
- Equipment: appliance: air conditioner
- Summary
- Supersedes Technical Service Bulletin Group 80 number 13-03 dated May 13, 2013. Malfunction Indicator Lamp is on. Climate system heating performance is insufficient. Coolant level warning is on. Engine temperature is elevated. "Limp Home" mode is active. Faults are stored in the transmission control module. Coolant loss is found from one or more control valves: N82, N509, or N488. Coolant may have migrated into the wiring harness through the connector and into various control units. Climate system heating performance is insufficient due to coolant loss, or due to a faulty N82 control valve. Inspection of the coolant control valves N82, N509, or N488 reveals the presence of coolant inside the electrical connector. The connectors, wiring harness, and/or connected control units may have been damaged from exposure to coolant.
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