TT Roadster L4-2.0L Turbo (BPY) (2008)
Throttle Body: All Technical Service Bulletins
Electrical - MIL ON/Multiple Throttle Valve DTC's Stored
01 MIL on (P1545, P0121, P0123, P0221 or P0222 stored in ECM)
97 10 06
2018260/5
June 4, 2010
Supersedes Technical Service Bulletin Group 97 number 08-25 dated December 1, 2008 for reasons listed below.
Affected Vehicles
Condition
^ MIL on.
^ A number of incident memory entries with regard to the throttle valve are stored in the ECM. In most cases, the entries are sporadic.
The most frequent incident memory entries are:
^
P1545 (throttle control malfunction).
^
P0121 (throttle potentiometer G69 implausible signal).
^
P0123 (throttle potentiometer G69 signal too big).
^
P0221 (angle transmitter 2 for throttle actuator G188 implausible signal).
^
P0222 (angle transmitter 2 for throttle actuator G188 signal too small).
Technical Background
Contact resistance in the ECM wiring throttle valve.
Production Solution
Optimized wiring and contacts.