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New Beetle L4-2.0L (AZG) (2003)

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > Customer Interest: > 0105-02 > Jan > 05 > Engine Controls - MIL ON/DTC P1603 (18011) Stored

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Engine Control Module: Customer Interest
Engine Controls - MIL ON/DTC P1603 (18011) Stored

Group: 01

Number: 05-02 

Date: Jan. 14, 2005

Subject: 
Diagnostic Trouble Code (DTC) P1603 (18011) Stored in 
DTC Memory

Model(s): 
All with Electronic Power

1999 --> 2005 Control (see table)

Condition

DTC P1603 (18011) "Control unit faulty" stored in DTC memory.

Service

DO NOT automatically replace ECM for this condition.
First perform the following:

-

Verify that battery voltage and condition are OK. (Charge and load test as necessary).

If battery voltage is low:

-

Correct reason for low battery voltage.

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > Customer Interest: > 0105-02 > Jan > 05 > Engine Controls - MIL ON/DTC P1603 (18011) Stored

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