P1744 — 9 documented meanings by make
Documented by: AUDI, BMW, CHRYSLER, CITROEN, FORD, HYUNDAI, JAGUAR, MAZDA, PEUGEOT, SEAT, SKODA, SSANGYONG, VOLKSWAGEN — the meaning can differ between manufacturers
P1744 does not mean the same thing on every car — manufacturers reuse the number for different faults. 13 makes document it: Audi, BMW, Chrysler, Citroen, Ford, Hyundai, Jaguar, Mazda, Peugeot, SEAT, Skoda, SsangYong, Volkswagen. Find your make below.
| Make | Documented meaning | Points at |
|---|---|---|
| Audi | Tiptronic switch recognition, short circuit to ground | short to ground |
| SEAT | Tiptronic switch recognition, short circuit to ground | short to ground |
| Skoda | Tiptronic switch recognition, short circuit to ground | short to ground |
| Volkswagen | Tiptronic switch recognition, short circuit to ground | short to ground |
| BMW | Pressure control solenoid A electrical | |
| Chrysler | Torque converter lock-up clutch heat control | transmission |
| Jaguar | Torque converter lock-up clutch heat control | transmission |
| Citroen | Torque converter clutch system performance | transmission |
| Ford | Torque converter clutch solenoid circuit performance | transmission |
| Hyundai | Damper clutch, abnormal vibration | transmission |
| Mazda | Torque converter clutch solenoid circuit | transmission |
| Peugeot | Slip Solenoid System | |
| SsangYong | Solenoid 4, short circuit |
P1744 on Audi, SEAT, Skoda, Volkswagen
On Audi, SEAT, Skoda, Volkswagen vehicles P1744 is documented as: Tiptronic switch recognition, short circuit to ground. P1744 is stored when the ECU sees short to ground on the circuit named in the code. That describes how the circuit is behaving, not which part has failed — the wiring, the connector and the component itself can all produce it, which is why the checks below start with the cheapest.
Usually one of: Wiring insulation chafed through where the loom passes a bracket or edge; Water or salt in a connector bridging the signal pin to the body; The component itself shorted internally; A harness pinched during earlier repair work.
Check first, cheapest first:
- Unplug the component and re-read the code — if it changes, the fault is in the component, not the wiring
- Inspect the loom where it passes metal edges, brackets and hinges
- Open the connector and check for green corrosion or moisture
- Measure resistance from the signal pin to a body ground; near-zero confirms the short
- Repair the harness section, or replace the component if it shorted internally
Related Audi, SEAT, Skoda, Volkswagen codes:
P1744 on Chrysler, Jaguar
On Chrysler, Jaguar vehicles P1744 is documented as: Torque converter lock-up clutch heat control. P1744 points at transmission. The standard definition names the system involved; which part inside it has actually failed is what the checks below establish, cheapest first.
Related Chrysler, Jaguar codes:
P1744 on Citroen
On Citroen vehicles P1744 is documented as: Torque converter clutch system performance. P1744 points at transmission. The standard definition names the system involved; which part inside it has actually failed is what the checks below establish, cheapest first.
Related Citroen codes:
P1744 on Ford
On Ford vehicles P1744 is documented as: Torque converter clutch solenoid circuit performance. P1744 points at transmission. The standard definition names the system involved; which part inside it has actually failed is what the checks below establish, cheapest first.
Related Ford codes:
P1744 on Hyundai
On Hyundai vehicles P1744 is documented as: Damper clutch, abnormal vibration. P1744 points at transmission. The standard definition names the system involved; which part inside it has actually failed is what the checks below establish, cheapest first.
Related Hyundai codes:
P1744 on Mazda
On Mazda vehicles P1744 is documented as: Torque converter clutch solenoid circuit. P1744 points at transmission. The standard definition names the system involved; which part inside it has actually failed is what the checks below establish, cheapest first.
Related Mazda codes:
Which one is yours
A generic OBD reader gives you the number, not which of these meanings your manufacturer assigned to it. To get to the specific one:
- Use a brand-specific scanner — VCDS for VAG, INPA or ISTA for BMW, XENTRY for Mercedes, Forscan for Ford. It shows the manufacturer's own text rather than the generic one.
- Read all stored codes together — the neighbouring ones usually point at which system is involved and narrow the list.
- Check freeze-frame data: the RPM, temperature and load at the moment it triggered indicate which system was active.
- If you have no brand scanner, tell me the make and model below and I will tell you which of these applies to your car.
Code family
P1xxx is manufacturer-specific code (VW/Audi, BMW, Mercedes, Toyota etc. have different meanings for the same code number).
Severity
Manufacturer-specific codes need a brand scanner (VCDS for VAG, INPA for BMW, STAR for Mercedes).
That is what holds for P1744 in general. From here it depends on your engine — tell me which car it is and what it does, and I will give you the steps for it: real procedures, torque figures and diagrams instead of general advice.
Why TorqFix for your car?
Above is what the code means and why it appears. TorqFix goes further — it gives you specific procedures, torque values, wiring diagrams and pinouts for your exact engine, not generic steps for every car. Real workshop data (127,000+ diagrams, 10,000+ procedures), interpreted by AI in your language.
Free with an account: 4 questions per day · drawings are Pro. Signing up takes twenty seconds and needs no card.
Code breakdown
Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
The same code can mean different things on different makes. Match the meaning to your make before acting on it.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →