3-2 Shift Solenoid Control Circuit High Voltage
Table of contents
P0788 ISUZU Possible Causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shifting solenoid valve
- Shifting solenoid valve harness is open or shorted
- Shifting solenoid valve circuit poor electrical connection
How do I fix code P0788 ISUZU?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P0788 ISUZU code
The cost of diagnosing the P0788 ISUZU code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
Code P0788 is detected when the Engine Control Module (ECM) detects open in solenoid valve ST circuit 4 times when solenoid valve ST is operated
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0788 ISUZU Description
Shift solenoid valve ST is switched ON OFF by a signal from Engine Control Module (ECM) so that let in or out timing of 2nd brake is adjusted by operating orifice control valve. Therefore, shift solenoid valve ST operates when letting in or out reverse clutch.