TT Roadster L4-1.8L Turbo (AWP) (2003)
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PROM - Programmable Read Only Memory: Customer Interest
Attachment Bulletin # 010407
Group: 01
Number: 04-07
Date: Sept. 1, 2004
Subject:
Update Programming (Flashing) Engine Control Module (ECM) to Correct Cold Start Engine Stumble
Model(s):
TT with 1.8T (Engine Codes 2003 AWP & BEA)
2003
Condition
After cold start the engine runs rough. Vehicle may stumble on initial acceleration. Engine may stall at idle when transmission is shifted from
Neutral/Park to Drive or Reverse.
Condition usually lasts for less than 30 seconds after engine start. Afterwards the vehicle starts and runs without any of these complaints.
When procedure applies to vehicles within the New Vehicle Limited Warranty use the table.
Service
CAUTION!
When performing the reflash procedure, ALL DTCS for all systems are erased. DTCs linked to Guided Fault Finding function tests will be lost.
Therefore, always address stored DTCs for Customer concerns unrelated to the reflash procedure first.
If the diagnosis of the engine does not reveal any faulty component, Reprogramming of the ECM will be necessary.
If ECM Software Level and Part Nos. are:
^
For BEA engine, 0005 = 8N0 906 018 BB.
^
For AWP engine, 0010 = 8N0 906 018 CR
Update Programming (Flashing) is not necessary. Do not complete this technical bulletin.
CAUTION!
The following "Update - Programming" (flashing) process may overwrite any "TUNED" ECM programming.
A "TUNED" ECM is described as any ECM altered so as to perform outside the normal parameters and specifications approved by Volkswagen of
America, Inc..
