P0736 Mazda Code - Reverse Gear Incorrect 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 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
- P0736 Mazda indicates Reverse Gear Incorrect 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 P0736 Mazda 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
What are the Possible Causes of the DTC P0736 Mazda?
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit
How to Fix the DTC P0736 Mazda?
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 P0736 Mazda 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 P0736 Mazda Code
1. What are the common symptoms of OBDII code P0736 in a Mazda related to incorrect reverse gear ratio?
The common symptoms include harsh shifting when shifting into reverse, delayed engagement of reverse gear, and the transmission slipping while in reverse.
2. What are the possible causes of OBDII code P0736 in a Mazda indicating an incorrect reverse gear ratio?
Possible causes include a faulty transmission control module, a worn or damaged reverse gear, low transmission fluid level, or a malfunctioning transmission solenoid.
3. How can I diagnose OBDII code P0736 in a Mazda related to incorrect reverse gear ratio?
Diagnosis involves using a scan tool to read the trouble codes, checking the transmission fluid level and condition, inspecting for any visible damage to the transmission components, and testing the transmission solenoids.
4. Can driving with OBDII code P0736 in a Mazda indicating an incorrect reverse gear ratio cause further damage?
Continued driving with this issue can potentially cause further damage to the transmission components, leading to more costly repairs in the future. It is recommended to address the problem promptly.
5. How can I repair OBDII code P0736 in a Mazda associated with incorrect reverse gear ratio?
Repair options may include replacing the transmission control module, repairing or replacing the reverse gear, performing a transmission fluid flush and filter change, or replacing the transmission solenoid.
6. Is it possible to reset OBDII code P0736 in a Mazda related to incorrect reverse gear ratio without fixing the underlying issue?
While you can clear the trouble code using a scan tool, the code is likely to return if the root cause of the incorrect reverse gear ratio is not addressed. It's essential to fix the issue to prevent further problems.
7. Are there any DIY tips for troubleshooting OBDII code P0736 in a Mazda indicating an incorrect reverse gear ratio?
DIY tips include checking the transmission fluid level and condition, inspecting for any visible damage to transmission components, and ensuring all electrical connections to the transmission are secure.
8. How much does it typically cost to repair OBDII code P0736 in a Mazda due to incorrect reverse gear ratio?
The cost of repairs can vary depending on the specific cause of the issue and the extent of the damage. Repairs for this code can range from a few hundred dollars for minor fixes to over a thousand dollars for more extensive repairs.
9. Can a mechanic easily fix OBDII code P0736 in a Mazda related to incorrect reverse gear ratio?
A qualified mechanic with experience in transmission repairs should be able to diagnose and repair the issue. It's recommended to consult a professional to ensure the problem is properly addressed.
10. Will driving with OBDII code P0736 in a Mazda indicating an incorrect reverse gear ratio affect fuel efficiency?
Driving with this issue can potentially lead to decreased fuel efficiency due to the transmission not operating correctly. It's best to address the problem promptly to maintain optimal fuel economy.
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