P0731 ACURA - Problem In 1st Clutch And 1st Clutch Hydraulic Circuit
P0731 ACURA Possible Causes
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit
How do I fix code P0731 ACURA?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.
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Cost of diagnosing the P0731 ACURA code
Labor: 1.0The cost of diagnosing the P0731 ACURA code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
When is the code detected?P0731 is detected when A/T cannot be shifted to the 1st gear position even if electrical circuit is good.
- Engine Light ON (or Service Engine Soon Warning Light)
- Incorrect transmission shifting
P0731 ACURA DescriptionThis diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows:
Torque converter slip ratio = A x C/B
A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from Engine Control Module (ECM)
C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is higher than the position (1st) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.
More InformationNeed more information on how to fix the P0731 ACURA code?
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Need more help?Get the P0731 Acura code diagnosed by a professional: Find a repair shop in your area
CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0731 Acura code? Have you replaced any parts?
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