P0788
Shift Timing Solenoid A High
P0788 is an OBD-II diagnostic trouble code meaning: Shift Timing Solenoid A High. Common causes: shift solenoid a malfunction, open or short circuit in solenoid circuit. Estimated repair cost: $17–89.
Symptoms
- Hard or delayed gear shifts
- Switching to emergency mode of the gearbox
- Check Engine Light Illuminates
- Decreased fuel efficiency
- Dips during acceleration
Causes
- Shift Solenoid A Malfunction
- Open or short circuit in solenoid circuit
- Poor contact in solenoid circuit connectors
- Transmission control module (TCM) malfunction
- Problems with power or grounding of the circuit
How to Fix
- Check the solenoid resistance (compare with specifications)
- Inspect the wiring harness and connectors for damage.
- Check voltage and continuity of solenoid control circuit
- If necessary, replace the faulty solenoid
- Scan TCM for additional errors
Related codes
Error P0788 by Vehicle Brand
FAQ
What does the P0788 code mean?
P0788 is an OBD-II diagnostic trouble code that indicates: Shift Timing Solenoid A High
What causes a P0788 error code?
The most common causes of P0788 include: Shift Solenoid A Malfunction; Open or short circuit in solenoid circuit; Poor contact in solenoid circuit connectors; Transmission control module (TCM) malfunction.
How do I fix a P0788 diagnostic trouble code?
To fix P0788: Check the solenoid resistance (compare with specifications). Inspect the wiring harness and connectors for damage.. Check voltage and continuity of solenoid control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0788?
Yes, but get it checked soon
How much does it cost to fix P0788?
The estimated repair cost for P0788 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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