Engine Error
P0730
Incorrect Gear Ratio
Severity
High
Symptoms
Transmission slips, fails to engage gear, vehicle won't move, limp mode
Common Causes
- Low or very dirty transmission fluid
- Failed shift solenoids
- Worn clutch packs or bands
- Failed torque converter
How to Fix
- 1 Check and correct transmission fluid level/condition
- 2 Test and replace faulty shift solenoids
- 3 Rebuild or replace transmission
- 4 Replace torque converter
Estimated Repair Cost
USD
$100
–
$3500
Fluid flush: $150; Transmission rebuild/replacement: $2,000 - $3,500+