P0733 Ford Code - Incorrect Third Gear Ratio
Quick Answer
This 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 (3rd) supposed by TCM, the slip ratio will be more than normal. Common causes include Low transmission fluid level, Dirty transmission fluid, Shift solenoids. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0733 Ford indicates Incorrect Third Gear Ratio.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Shift solenoids.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0733 Ford Description
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 (3rd) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.
What are the Possible Causes of the DTC P0733 Ford?
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit
How to Fix the DTC P0733 Ford?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0733 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0733 Ford Code
1. What are the common symptoms of OBDII code P0733 in a Ford indicating an incorrect third gear ratio?
- Common symptoms include harsh shifting into third gear, slipping in third gear, decreased fuel efficiency, and an illuminated Check Engine Light.
2. What are the possible causes of OBDII code P0733 in a Ford related to an incorrect third gear ratio?
- Potential causes include low transmission fluid levels, a faulty shift solenoid, a worn clutch or torque converter, or internal transmission damage.
3. How can I diagnose OBDII code P0733 in my Ford if I suspect an incorrect third gear ratio issue?
- Diagnosing this code typically involves checking the transmission fluid level and condition, performing a thorough inspection of the transmission components, and using a scan tool to monitor gear engagement.
4. Can driving with OBDII code P0733 in a Ford with an incorrect third gear ratio cause further damage to the transmission?
- Yes, driving with this code can potentially lead to further damage to the transmission components, so it's advisable to address the issue promptly to prevent extensive repairs.
5. What are some repair tips for addressing OBDII code P0733 in a Ford indicating an incorrect third gear ratio?
- Repair tips may include checking and topping up the transmission fluid, replacing a faulty shift solenoid, inspecting and replacing worn components, and resetting the trouble code after repairs.
6. Is it possible to reset OBDII code P0733 in a Ford after addressing the incorrect third gear ratio issue?
- Yes, the code can be reset using an OBDII scan tool after the underlying issue causing the incorrect third gear ratio has been repaired.
7. How much does it typically cost to repair OBDII code P0733 in a Ford caused by an incorrect third gear ratio?
- The cost of repairs can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
8. Can a DIY enthusiast with mechanical knowledge address OBDII code P0733 in a Ford related to an incorrect third gear ratio?
- While some aspects of diagnosing and repairing this issue may be tackled by experienced DIYers, it's generally advisable to consult a professional mechanic for accurate diagnosis and effective repairs.
9. Will OBDII code P0733 in a Ford with an incorrect third gear ratio prevent the vehicle from shifting into third gear at all?
- In some cases, the vehicle may still be able to shift into third gear, but it may exhibit abnormal behavior such as slipping or harsh shifting due to the incorrect gear ratio.
10. How long can I continue driving my Ford with OBDII code P0733 indicating an incorrect third gear ratio before getting it repaired?
- It's recommended to address the issue promptly to prevent further damage to the transmission; driving with this code for an extended period may worsen the problem and lead to more costly repairs.
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