Shift Quality - Harsh Downshift Detected
2014-2021 BMW i3 Range Extender
Description
The TCM detected excessively harsh downshifts. The transition between gears during deceleration is abrupt.
Symptoms
- Check Engine Light
- Harsh downshifts
- Vehicle lurches on deceleration
- Engine braking feels excessive
- Driveline shudder on downshift
- Abrupt speed change during coast-down
Common Causes
- Faulty shift timing solenoid
- Torque converter clutch not releasing
- Pressure control solenoid malfunction
- Valve body wear
- Incorrect TCM calibration
Diagnostic Steps
- Monitor shift quality PIDs during deceleration
- Check TCC release timing
- Test pressure control solenoid
- Inspect shift solenoid operation
- Review TCM software version
Repair Notes
Replace pressure control solenoid or valve body. TCM reflash may be available from manufacturer.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P3062 on Other Vehicles
Common Questions
What does code P3062 mean on a 2014-2021 BMW i3?
P3062 stands for "Shift Quality - Harsh Downshift Detected". The TCM detected excessively harsh downshifts. The transition between gears during deceleration is abrupt.
What are the symptoms of P3062 on a BMW i3?
Common symptoms of P3062 include: Check Engine Light, Harsh downshifts, Vehicle lurches on deceleration, Engine braking feels excessive, Driveline shudder on downshift, Abrupt speed change during coast-down.
What causes P3062 on a 2014-2021 BMW i3?
Common causes of P3062 include: Faulty shift timing solenoid, Torque converter clutch not releasing, Pressure control solenoid malfunction, Valve body wear, Incorrect TCM calibration.