Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2000GTI (1J1) L4-1.8L TURBO (AWD)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSENGINE CONTROLS - DTC'S P0604/P0605/P0606 IN MEMORY
2000 Volkswagen GTI (1J1) L4-1.8L Turbo (AWD)
Engine Controls - DTC's P0604/P0605/P0606 in Memory
2000 Volkswagen GTI (1J1) L4-1.8L Turbo (AWD)SECTION Engine Controls - DTC's P0604/P0605/P0606 in Memory
01 07 24
Feb. 23, 2007
2010582
01 07 24, dated Feb. 23, 2007 supersedes Technical Bulletin Group 01 number 04-18 dated Aug. 26, 2004 due to inclusion in ElsaWeb.
Vehicle Information
Condition
DTC P0604 (16988), P0605 (16989), P0606 (16990) Stored in DTC Memory
Technical Background
The above DTCs may also be stored due to a low battery condition.
Production Solution
N/A information only
Service
^ Do not automatically replace the 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
Tip:
Battery voltage must be substantiated by a Midtronics MCR340V printout. The printout must be attached to the repair order. If the ECM is requested by the Warranty Test Center, a copy of the Midtronics Tester printout must be sent with the ECM along with all other supporting documentation.
With battery fully charged:
^ Clear any stored DTC.
^ Perform throttle adaptation procedure (see Repair Group 24, ECM to throttle valve control module, adaptation.
^ Test drive vehicle for approximately one half hour.
If MIL does not illuminate and DTC does not return:
Low battery voltage has most likely caused the DTC to be stored.
^ Procedure is complete.
If MIL illuminates and DTC is stored again, perform the following:
^ Replace ECM (see appropriate Repair Group).
Warranty
Required Parts and Tools
No special tools required No special parts required
Feb. 23, 2007
2010582
01 07 24, dated Feb. 23, 2007 supersedes Technical Bulletin Group 01 number 04-18 dated Aug. 26, 2004 due to inclusion in ElsaWeb.
Vehicle Information
Condition
DTC P0604 (16988), P0605 (16989), P0606 (16990) Stored in DTC Memory
Technical Background
The above DTCs may also be stored due to a low battery condition.
Production Solution
N/A information only
Service
^ Do not automatically replace the 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
Tip:
Battery voltage must be substantiated by a Midtronics MCR340V printout. The printout must be attached to the repair order. If the ECM is requested by the Warranty Test Center, a copy of the Midtronics Tester printout must be sent with the ECM along with all other supporting documentation.
With battery fully charged:
^ Clear any stored DTC.
^ Perform throttle adaptation procedure (see Repair Group 24, ECM to throttle valve control module, adaptation.
^ Test drive vehicle for approximately one half hour.
If MIL does not illuminate and DTC does not return:
Low battery voltage has most likely caused the DTC to be stored.
^ Procedure is complete.
If MIL illuminates and DTC is stored again, perform the following:
^ Replace ECM (see appropriate Repair Group).
Warranty
Required Parts and Tools
No special tools required No special parts required
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.