Error code
OBD2 P0758
OBD2P0758
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Shift Solenoid 'B' Electrical.
Severity
moderateCan drive but may experience shifting issues and high RPMs.
Summary
P0758 indicates an electrical issue with Shift Solenoid B in your transmission's valve body.
Symptoms
- Not shifting
- Drivability issues
- Harsh shifts
- Erratic shifts
- High engine RPMs
Common Causes
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoid defective
- Shift solenoid circuit open/short
- Bad grounds
- Corroded connections or pins
- Wiring issue (corrosion, chafed, melted)
Diagnosis
- Check transmission fluid level and condition.
- Inspect shift solenoid circuit for open/short circuits or corrosion.
- Verify electrical connections are clean and secure.
Fixes
- Replace faulty shift solenoid if necessary.
FAQ
What should I do first when P0758 appears?
Start by checking the transmission fluid level and condition, then inspect electrical connections for any issues.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0700Transmission Control System (MIL Request)
- P0701Transmission Control System Range/Performance
- P0702Transmission Control System Electrical
- P0703Brake Switch 'B' Circuit
- P0704Clutch Switch Input Circuit Malfunction
- P0705Transmission Range Sensor Circuit Malfunction (PRNDL Input)
- P0706Transmission Range Sensor Circuit Range/Performance
- P0707Transmission Range Sensor Circuit Low
- P0708Transmission Range Sensor Circuit High
- P0709Transmission Range Sensor Circuit Intermittent
- P0710Transmission Fluid Temperature Sensor 'A' Circuit
- P0711Transmission Fluid Temperature Sensor 'A' Circuit Range/Performance