Wednesday, February 10, 2021

******** Audi Q7 Quattro (4LB) V6-3.0L DSL Turbo (CATA) Technical DIAGNOSIS AND REPAIR # 431209 Date: 120725


Suspension - Air Suspension DTC 1577 Info.



43 Air suspension operative (DTC 1577)



43 12 09



2018304/6



July 25, 2012.



Supersedes Technical DIAGNOSIS AND REPAIR Group 43 number 10 - 03 dated September 28, 2010 for reasons listed below.



66



Affected Vehicles



Condition



DTC 01577 (compressor switch off due to excessive temperature, sporadic) is stored in the air suspension control module.



Technical Background



The air suspension module will log DTC 01577 (compressor switch off due to excessive temperature, sporadic) each time the air suspension



compressor is shut off due to excessive temperature. The compressor will resume



normal function after a short cool down period (30 seconds to 4 minutes), but the DTC will remain logged in the air



suspension control module.



This DTC does not indicate a compressor malfunction.



Production Solution



Not applicable.



Service



Do not replace the air suspension compressor for the above condition.



Warranty



This TSB is informational only and not applicable to any Audi warranty.



Additional Information



All parts and service references provided in this TSB are subject to



change and/or removal. Always check with your Parts Department and service manuals for the latest information.