P1738
Problem in 2nd Clutch Pressure Switch Circuit
P1738 is an OBD-II diagnostic trouble code meaning: Problem in 2nd Clutch Pressure Switch Circuit. Common causes: open or short circuit in the sensor circuit, clutch pressure sensor malfunction. Estimated repair cost: $28–167.
Symptoms
- Gear shifting problems
- Jerks when shifting gears
- Delays when shifting gears
- Transmission of the gearbox into emergency mode
- Check Engine Light Illuminates
Causes
- Open or short circuit in the sensor circuit
- Clutch pressure sensor malfunction
- Hydraulic fluid leak
- Problems with the transmission control unit
- Wiring harness damage
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the clutch pressure sensor circuit
- Check resistance and sensor signal
- Replace clutch pressure sensor if necessary
- Check and, if necessary, replace the transmission control unit
Related codes
Error P1738 by Vehicle Brand
FAQ
What does the P1738 code mean?
P1738 is an OBD-II diagnostic trouble code that indicates: Problem in 2nd Clutch Pressure Switch Circuit
What causes a P1738 error code?
The most common causes of P1738 include: Open or short circuit in the sensor circuit; Clutch pressure sensor malfunction; Hydraulic fluid leak; Problems with the transmission control unit.
How do I fix a P1738 diagnostic trouble code?
To fix P1738: Check the level and condition of the transmission fluid. Diagnose the clutch pressure sensor circuit. Check resistance and sensor signal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1738?
Limited driving only, diagnose soon
How much does it cost to fix P1738?
The estimated repair cost for P1738 is $28–167. Actual cost depends on your vehicle, location, and labor rates.
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