P0758 Lexus Code - Shift Solenoid 'B' Electrical Malfunction
Quick Answer
The P0758 diagnostic trouble code refers to a Shift Solenoid 'B' Electrical Malfunction in a Lexus vehicle. Common causes include Faulty shift solenoid 'B', Wiring issues in the shift solenoid circuit, Malfunctioning Transmission Control Module (TCM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0758 Lexus indicates Shift Solenoid 'B' Electrical Malfunction.
- Common causes
- Common causes include Faulty shift solenoid 'B', Wiring issues in the shift solenoid circuit, Malfunctioning Transmission Control Module (TCM).
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0758 Lexus Description
The P0758 diagnostic trouble code refers to a Shift Solenoid 'B' Electrical Malfunction in a Lexus vehicle. This code indicates that the Transmission Control Module (TCM) has detected an electrical issue with the shift solenoid 'B' circuit. The shift solenoids are responsible for controlling the flow of transmission fluid, which in turn controls the gear shifting process in an automatic transmission.
Common Causes of P0758 Lexus
- Faulty shift solenoid 'B'
- Wiring issues in the shift solenoid circuit
- Malfunctioning Transmission Control Module (TCM)
- Low transmission fluid level
- Electrical issues such as blown fuses or corroded connectors
Symptoms of P0758 Lexus
- Harsh or delayed shifting
- Erratic shifting patterns
- Inability to shift gears
- Poor acceleration
- Decreased fuel efficiency
How to Fix P0758 Lexus
- Diagnose the issue by using a scan tool to retrieve the trouble code and inspect the shift solenoid 'B' circuit.
- Inspect the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
- Test the shift solenoid 'B' for proper operation. Replace if found to be faulty.
- Clear the trouble code from the TCM memory and test drive the vehicle to ensure proper shifting.
- Perform a transmission fluid flush and refill if needed.
Cost to Fix P0758 Lexus
The typical repair costs for a Shift Solenoid 'B' Electrical Malfunction in a Lexus vehicle can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary depending on factors such as location, vehicle make and model, and engine type. Rates may be higher at dealerships or metropolitan areas, while independent shops may charge less. It's advisable to check local rates for a more accurate estimate.
When is the Code Detected?
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