2003 Passat P0600

Tiny
JEFF ZAKS
  • MEMBER
  • 2003 VOLKSWAGEN PASSAT
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 200,000 MILES
2003 passat changed heater core. Then car would not start. P0600 on scanner. Any ideas?
Tuesday, December 14th, 2010 AT 1:42 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
This is the meaning for the code:

The ECM did not detect communication between modules
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- ECM Harness
- ECM connectors
- Low battery voltage
- Faulty ECM
Check you harness for any problems and check connectors to be sure they look good. This could be the easiest find. Then check your battery voltage and if it is good that only leaves a faulty ECM as the problem.
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Sunday, February 20th, 2011 AT 3:36 AM

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