What is the ECU code on a Jetta?
Your code p01314 is for the ECU and it is appears to be non responsive. First K.I.S.S check simple things like ECU fuses. Physically pull them out and re seat them. Check your relays.
When to check a Jetta 2.5L Nar?
When found in a 2005 through 2007 2.5L NAR (North American Region) (1K) Jetta check the T121/62 (Red/Black) traced power wire to the ECM. If power is missing or a voltage drop is present that wire may be damaged anywhere between 6″ and 18″ from the connector itself. This will result in no communication in addition to a no-start.
Is there a power wire to the ECM on a Jetta?
Check Data Bus Chapter 90-9. When found in a 2005 through 2007 2.5L NAR (North American Region) (1K) Jetta check the T121/62 (Red/Black) traced power wire to the ECM. If power is missing or a voltage drop is present that wire may be damaged anywhere between 6″ and 18″ from the connector itself.
How to check the communication status of a Jetta?
Usually Measuring Value Blocks (MVB) 125+ show the current Communication Status. Check Data Bus Chapter 90-9. When found in a 2005 through 2007 2.5L NAR (North American Region) (1K) Jetta check the T121/62 (Red/Black) traced power wire to the ECM.
How to check the wiring of a VW Jetta?
Using the test box V.A.G 1598/18 the wiring can be checked according to the wiring diagram. NOTE: – Before connecting test leads the correct measuring range on the tester must be adjusted. Otherwise the electronic components can be destroyed! – Use the multimeter V.A.G 1526 with auxiliary cables from V.A.G 1594 for testing.
How to check engine control module ( ECM )?
Check Engine Control Module (ECM) for fault codes. Engine Control Module (ECM) stored a Code which influences other Control Modules Functionality. To clear this Fault Code you will need to correct the Problem in the Engine Control Module (ECM) first.