A8 Quattro Sedan V8-4.2L (BFM) (2005)
Engine Mount Control Solenoid: Customer Interest
Engine Controls - DTC's P1874/P1875/P1876
10 08 04
2010270/6
November 19, 2008.
Supersedes Technical Service Bulletin Group 10 number 08-01 dated June 6, 2008 for reasons listed below.
Affected Vehicles
01 Engine torque support (DTCs P1874, P1875, P1876 in ECM)
Condition
Technician may find one of the listed Diagnostic Trouble Codes (DTCs) in the Engine Control Module (ECM) DTC memory during routine maintenance
or repairs:
-
DTC P1874 (Valve for Torque Support Bearing short to B+)
-
DTC P1875 (Valve for Torque Support Bearing short to Ground (GND))
-
DTC P1876 (Valve for Torque Support Bearing open circuit)
These DTCs will not cause the Malfunction Indicator Lamp (MIL) to come on.
Technical Background
Not applicable.
Production Solution
Electrical solenoid valve N382 is no longer used on Engine Torque Support Bearing.
Service
The following procedure will disconnect the electrical portion of the engine torque support -N382- (Figure 1) from the ECM.
-
Engine torque support will still function as a normal hydraulic mount.