P0758 Acura Code - Shift Solenoid 'B' Circuit Fault
Quick Answer
Shift solenoid valve 'B' is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'B' valve. 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 Acura indicates Shift Solenoid 'B' Circuit Fault.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'B' valve.
- 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.
Code P0758 Acura Description
What are the Possible Causes of the DTC P0758 Acura?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'B' valve
- Shift solenoid 'B' valve harness or connectors
- Shift solenoid 'B' valve circuit is open or shorted
How to Fix the DTC P0758 Acura?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0758 Acura code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0758 Acura Code
1. What are the common symptoms of OBDII code P0758 (Acura) Shift Solenoid 'B' Circuit Fault?
The common symptoms include harsh shifting, delayed shifting, transmission slipping, and the transmission staying in one gear.
2. What can cause the Shift Solenoid 'B' Circuit Fault (P0758) in an Acura?
The most common causes of this code include a faulty shift solenoid, low transmission fluid level, dirty transmission fluid, or wiring/connectivity issues.
3. How serious is the P0758 code in an Acura?
The P0758 code should be addressed promptly to prevent further damage to the transmission. Ignoring this code can lead to more severe transmission issues and potential safety hazards on the road.
4. Can I continue driving my Acura with the P0758 code?
It is not recommended to continue driving your Acura with the P0758 code present, as it can cause further damage to the transmission. It is best to have the issue diagnosed and repaired as soon as possible.
5. How do I diagnose the Shift Solenoid 'B' Circuit Fault in my Acura?
Diagnosing the P0758 code typically involves checking the transmission fluid level and condition, inspecting the wiring and connectors related to the shift solenoid, and conducting a scan tool test to monitor the solenoid's operation.
6. Is it possible to repair the P0758 code in an Acura at home?
While some DIY enthusiasts may attempt to address the P0758 code at home, it is recommended to have a professional mechanic diagnose and repair the issue to ensure proper resolution and prevent further damage.
7. How much does it cost to fix the Shift Solenoid 'B' Circuit Fault in an Acura?
The cost of repairing the P0758 code can vary depending on the underlying cause, parts needed, and labor costs. It is advisable to obtain quotes from reputable repair shops for an accurate estimate.
8. Can a faulty shift solenoid cause other transmission issues in an Acura?
Yes, a faulty shift solenoid can cause a range of transmission issues beyond the P0758 code, such as erratic shifting, gear slippage, and transmission overheating. Addressing the solenoid fault promptly can prevent further damage.
9. How long does it take to fix the P0758 code in an Acura?
The repair time for the P0758 code can vary depending on the specific cause of the fault and the complexity of the repair. In some cases, the issue can be resolved within a few hours, while more extensive repairs may take longer.
10. Can a transmission flush help resolve the P0758 code in an Acura?
In some cases, performing a transmission fluid flush and filter replacement may help resolve the P0758 code if the issue is related to dirty or contaminated transmission fluid. However, it is essential to address any underlying shift solenoid or wiring issues as well.
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