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2001 Volkswagen Jetta TDI 1.9L MIL Lamp on
Diesel VW Techs, I have this VW Diesel 1.9L with a DTC. The code is PO1556 / VAG 17964, charge pressure contr. neg. deviation. I've looked in the manual and I think this has something to do with the air pressures before and after the turbo. My question will th...
FIX posted 3/19/2003
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| VIN | 3VWSP29M41 |
| Engine | 1.9 L / 4 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | DTC |
Trouble Codes
| P1556 | Battery Module Temperature Sensor Signal 2 Circuit High Voltage |
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Vehicle Data
2001 Volkswagen Jetta TDI
| VIN | 3VWSP29M41 |
| Engine | 1.9 L / 4 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | DTC |
Trouble Codes
| P1556 | Battery Module Temperature Sensor Signal 2 Circuit High Voltage |
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