[SOLVED] Isuzu P0758 Code: Quick Fix For 23 Shift Solenoid

The OBD code P0758 for Isuzu indicates a problem with the 23 Shift Solenoid Circuit.

This affects the transmission system.

Symptoms include the Engine Light ON, transmission not shifting gears.

Causes can be low/dirty transmission fluid, faulty solenoid valve, or wiring issues.

It’s a serious issue that needs attention.

A possible fix is to inspect and repair any damaged wiring or connectors related to the 23 Shift Solenoid Valve.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

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Symptoms of the Isuzu p0758 OBD Code

The vehicle may experience harsh shifting or failure to shift into a specific gear.

Symptoms: Engine Light ON.
Transmission will not shift gears.

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Causes of the Isuzu p0758 OBD Code

Possible reasons for Isuzu P0758 include faulty shift solenoid B electrical circuit, low transmission fluid, or internal transmission issues.

P0758 can be caused by a low transmission fluid level.
Dirty transmission fluid.
A faulty 23 Shift Solenoid Valve.
23 Shift Solenoid Valve harness or connectors.
23 Shift Solenoid Valve circuit is open or shorted.

Fixing Isuzu Error Code p0758 Step By Step

Address the transmission shift solenoid B electrical issue on an Isuzu with fault code P0758.

To fix Isuzu OBDII code P0758, first, review the possible causes related to the shift solenoid B electrical circuit.
Visually examine the wiring harness and connectors for any damage.
Check the connector pins for signs of being broken, bent, pushed out, or corroded.
Test the shift solenoid B for proper operation.
Replace the shift solenoid B if it is faulty.
Clear the fault codes and perform a test drive to verify the repair.
If the issue persists, further diagnostics may be needed to identify any underlying problems.

Cost Of Fixing Isuzu p0758 Fault Code

The repair for Isuzu P0758 involves diagnosing and fixing a problem with the shift solenoid B electrical circuit.

The cost to diagnose and fix the Isuzu OBD code P0758 depends on the estimated 1. 0hour repair time.

Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150, excluding parts.

Costs may vary based on shop rates and the complexity of the repair.

Details of the Isuzu p0758 OBD Code

Code P0758 in Isuzu vehicles relates to a problem with the shift solenoid B electrical circuit.

OBD code P0758 for Isuzu vehicles indicates a problem with the Shift Solenoid B electrical circuit.

This code is triggered by the Engine Control Module (ECM) when it detects an electrical fault in the circuit related to the transmission Shift Solenoid B.

The Shift Solenoid B is responsible for controlling the hydraulic pressure to engage or disengage the transmission gear.

When the ECM detects an issue with the electrical circuit of this solenoid, it sets code P0758. This code is specific to transmissionrelated electrical faults and should be addressed promptly to prevent transmission issues.

Mechanic’s Tech Notes

Detailed information on diagnosing and repairing Isuzu P0758 code related to shift solenoid B electrical issues.

To diagnose and fix OBDII code P0758 in an Isuzu, start by checking the transmission control module (TCM) power and ground using a multimeter.

Verify TCM communication over the Controller Area Network (CAN) network with a scan tool.

If the wiring harness and connectors look good, consider reprogramming the TCM.

Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.

Reflashing the TCM may resolve the issue.

FAQ

1. What are the common symptoms associated with OBD code P0758 in an Isuzu vehicle?

Common symptoms of OBD code P0758 in an Isuzu: Engine Light ON, transmission won’t shift gears. Causes: low/dirty fluid, faulty 23 Shift Solenoid Valve. Fix: Check fluid, inspect solenoid and wiring.

2. What is the typical cause of OBD code P0758 in an Isuzu vehicle?

The typical cause of OBD code P0758 in an Isuzu vehicle is a faulty 23 Shift Solenoid Valve or related wiring issues. Check and repair as needed.

3. How can I diagnose and repair OBD code P0758 in my Isuzu vehicle

Diagnose and repair OBD code P0758 in Isuzu: Symptoms Engine Light ON, Transmission won’t shift. Causes Low fluid, dirty fluid, faulty solenoid. Fix Check wiring, connectors for damage.

Wrap Up

If your Isuzu is displaying OBD code P0758, you may experience harsh shifting, transmission slippage, or the transmission may not shift at all.

This code typically indicates a problem with the shift solenoid B electrical circuit, which could be caused by a faulty shift solenoid, damaged wiring, or poor connections.

To address Isuzu OBD code P0758, start by inspecting the wiring harness and connectors related to shift solenoid B.

Test the shift solenoid for proper operation and replace if necessary.

Ensure all connections are secure and free of corrosion or