Every now and then it shakes real bad(when I drive it & when it sit still), the hood smoked this morning & it wouldn't go past 20mph - then when I tried to go up a hill, it didn't make it.
SOURCE: what does a P1296 trouble code on a 2001 VW jetta
P1296 is a cooling system malfunction. The two things that will set this DTC is a defective Engine Coolant Temperature (ECT) sensor or the thermostat.
SOURCE: 2001 2.0 vw jetta p1780 p0322 p0725 p1850
1st did u chec plug wires or dist area-these things wear--r u gitten gas from fuel pump or injector systems--may want to run another scan-computer systems r very complicated n 2-3 opinions dont hurt-zone or discount A does free ones
SOURCE: 2001 beetle tdi for a
Fault codes explanation:
P0725 = Engine speed input circuit; CAN-BUS no communication with Engine Control Module (ECM); Invalid data received from ECM; damaged ECM.
P1850 = Data-Bus Powertrain missing message from ECM.
P1875 = Transmission Automatic Hall Effect sensor power circuit short to battery
I recommend you to access the ECM memory using VAG or similar diagnostic tool. But if you need to check a few things before scanning, I would recommend the following checks in your case:
- check the battery cables (clean and tight contacts)
- check engine ground cable (clean and tight contacts)
- check ECM (Engine Control Module) connectors and ground, the ECM is in plenum chamber under the windshield.
Having checked this wiring (most likely culprit), and made sure that contacts are clean tight, and connectors are fit, if the problem persists, (unlikely), you would need to get the codes using a VW equipment, to get the proper codes.
PS: there are some bulletins refering to ECM software updates on your model, so you should also check these out, if the problem points to ECM replacement eventually.
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