P0736
PowertrainTransmissionhigh severityReverse Incorrect Ratio
What P0736 Means
The transmission detected an incorrect gear ratio in reverse. This indicates slippage or a mechanical/hydraulic problem in the reverse circuit.
Symptoms
- Slipping in reverse
- Delayed reverse engagement
- Check engine light on
Common Causes
- Low or degraded transmission fluid
- Worn reverse clutch or band
- Faulty shift solenoid
- Internal transmission damage
Diagnostic Steps
- Retrieve codes and freeze frame
- Check fluid level and quality
- Monitor reverse gear ratio data
- Perform pressure test or inspect transmission
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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Community Confirmed Fixes
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