Jetta SportWagen L4-2.0L DSL Turbo (CJAA) (2010)
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Engine Control Module: All Technical Service Bulletins
Engine Controls - MIL ON/DTC's P0136/P0139/P2271
26 10 02
April 09, 2010
2022741 Supersedes T.B. Group 26 number 10-01 dated March 10, 2010 to correctly identify rear oxygen sensor as -G130-.
Vehicle Information
MIL ON or Flashing, Diagnostic Trouble Codes (DTCS) P0136, P0139 or P2271 Stored in ECM Fault Memory
The following DTCs may be stored in ECM Fault Memory:
Improved ECM software calibration released to stabilize 02 sensor diagnosis. 02 sensor diagnosis too sensitive and corruption of rear 02 sensor causing
MIL ON with faults P0136, P0139, & P2271 present.
2009 Model Year ONLY: Replace Oxygen sensor -G130- Bank 1, Sensor 2 to repair vehicle with listed faults.
2010 Model Year Only: Replace Oxygen sensor -G130- Bank 1, Sensor 2 to repair vehicle with listed faults, and update program ECM using Software
Version Management (SVM).
No production change required.
Service
2009 Model Year Vehicles ONLY:
Diagnose vehicle to verify fault codes.
If the following faults are stored in the ECM fault memory:
^
Replace Bank 1, Sensor 2 Oxygen sensor and tighten to 52 Nm (38 ft. lbs.), see Repair manual Group 26 Description and Operation.
Tip
Lubricate the Oxygen sensor thread with hot bolt paste -G 052 112 A3- only, DO NOT let the paste get into the slots on the oxygen sensor body.
2010 Model Year Vehicles Only:
Diagnose vehicle to verify fault codes.
If the following faults are stored in the ECM fault memory:
