P0734
Gear 4 Incorrect Ratio
2012-2015 BMW 320i 2.0L I4 Turbo N20
High SeverityPowertrainGeneric (SAE)
Description
Incorrect gear ratio detected in 4th gear.
Symptoms
- Slipping in 4th
- No overdrive feel
Common Causes
- 4th gear components worn
- Solenoid issue
Diagnostic Steps
- Monitor gear ratio
- Test solenoids
Repair Notes
Service transmission.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0734 on Other Vehicles
Common Questions
What does code P0734 mean on a 2012-2015 BMW 320i?
P0734 stands for "Gear 4 Incorrect Ratio". Incorrect gear ratio detected in 4th gear.
What are the symptoms of P0734 on a BMW 320i?
Common symptoms of P0734 include: Slipping in 4th, No overdrive feel.
What causes P0734 on a 2012-2015 BMW 320i?
Common causes of P0734 include: 4th gear components worn, Solenoid issue.