Volkswagen Jetta, Golf, GTI 1999, 2000
Electrical Equipment On Board Diagnostic (OBD)
Anti - theft immobilizer On Board Diagnostic (OBD) (Page 01-220)
The immobilizer control module electronics have not released the engine control module!
- Erase DTC memory (function 05) and end output (function 06).
- Select instrument cluster OBD with address word 17.
- Check DTC memory (function 02), evaluate and correct malfunctions using DTC
table
Page 01-202
.
Notes:
After completing the repairs and matching the immobilizer components it is absolutely necessary
that the engine control module DTC memory is checked and erased.
DTC 17978 "Engine control module blocked" is not stored in DTC memory, this
means:
There is no malfunction of the electronic immobilizer!
- Perform troubleshooting according to instructions in engine repair manual.