TSB 854-2578: A/C - Hard To Control Passenger Side Temperature: Overview

Affected years: April 2006

Details

Bulletin Number: 854-2578 Date: April 2006 Market: all ACC/MCP has difficulty controlling and maintaining the temperature on the passenger side Cars affected Saab 9-5 M98-04 LHD: up to and including M04 Vehicle Identification Number 43010216 RHD: up to and including M04 Vehicle Identification Number 43013832 including those updated with 53 35 831 (CA: 30591598)/53 36 664 (CA: 30592689) Service kit, Heat exchanger housing LHD or 53 35 823/53 36 672 Service kit, Heat exchanger housing RHD in accordance with TSB 854-2396 ed. 2 or TSB 854-2411 ed. 2. Background The air mixing damper (heater damper) shaft may fail at which temperature control operates unsatisfactorily or not at all. In addition, temperature control in the rear seat may be affected. The nature of the failure may be such that the problem is intermittent. The diagnostic trouble codes B2295 and B2495 may be generated. In many cases the air mixing damper shaft is only broken in the area from the outer end closest to the stepping motor to 30-40 mm in toward the damper, and can then be repaired using this method. Consequently, repairs in accordance with TSB 854-2411 ed. 2 (US/CA) or 854-2396 ed. 2 (other markets) respectively are not necessary. In the case of customer complaint the air mixing damper shaft must be checked in accordance with the following method. Symptom description ACC/MCP has difficulty controlling and maintaining the temperature on the passenger side. Parts required Warranty/Time Information In the case of customer complaint and if the car is within the warranty period, use the following information to fill out the claim: Failed Object: 85434 Fault/Reason code: 71 Location code: 09 (US=4 Right/Passenger Side) Warranty Type (US): 01 Repair/Action code: 01 Labor Operation (US): 8543403 Labor Operation (CA): D0580 Time: 0.7 hr Fault diagnosis procedure is not available. Disclaimer