Problem in 2nd Clutch Pressure Switch Circuit
Table of contents
P1738 Possible Causes
- Faulty 2nd Clutch Pressure Switch
- 2nd Clutch Pressure Switch harness is open or shorted
- 2nd Clutch Pressure Switch circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code P1738?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1738 code
The cost of diagnosing the P1738 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1738 Description
The 2nd Clutch Pressure Switch is normally an open switch, the switch closes when the 2nd clutch oil press is applied to it. Powertrain Control Module (PCM) uses information from the switch to adjust hydraulic pressure application timing. The Powertrain Control Module monitors the 2nd Clutch Pressure Switch. The Powertrain Control Module will set the Diagnostic Trouble Code (DTC) when it detects a 2nd Clutch Pressure Switch malfunction.