P0735 — Gear 5 Incorrect Ratio
Category: Powertrain Severity: High
Updated:
DTC code P0735 means: Gear 5 Incorrect Ratio. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include low or degraded ATF, worn internal clutches and failed shift solenoid; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Low or degraded ATF
- Worn internal clutches
- Failed shift solenoid
- Low line pressure
Symptoms
- Transmission slips in 5th
- Revs flare without acceleration
- Limp mode
How to diagnose it step by step
- Check ATF level and condition.
- Look for solenoid codes.
- Measure line pressure.
- Evaluate transmission repair.
How to fix it
Check ATF level and condition and rule out solenoids. If the fluid smells burnt or has debris, internal wear is likely and the transmission needs repair.
Estimated repair cost
ATF service: $200–450. Transmission rebuild: $1,800–4,500.
Frequently asked questions
What does DTC code P0735 mean?
Gear 5 Incorrect Ratio.
Is code P0735 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0735?
Not recommended: slipping accelerates wear quickly.
Related codes
P0734 P0733 P0732 P0731 P0730 P0740 P0741 P0743 P0744 P0720
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