P0759 Code: Shift Solenoid B Intermittent
🟠 Moderate severity · drivable
Drivable, but shifting may be harsh or erratic and continued driving can damage the transmission. Fix it soon.
What P0759 means
The shift solenoid B circuit is intermittent — it works sometimes and fails at other times. This usually points to a loose or damaged connector or a chafed wire making contact on and off, rather than the solenoid itself.
Symptoms
- Check engine light on
- Harsh or erratic shifting
- Transmission may be stuck in one gear
- Possible limp mode
Common causes
- most common: Loose or damaged connector or chafed wiring
- common: Worn shift solenoid B that fails intermittently
- less common: Transmission control module (TCM) fault
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Inspect and repair the solenoid connector and wiring | Yes | $10–60 |
| Replace the shift solenoid B | Mechanic | $200–500 |
Frequently asked questions
Why does an intermittent code come and go?
An intermittent fault is usually a loose or damaged wire or connector that makes contact only sometimes.
What should I check first?
The wiring and connector at the solenoid — wiggle them while scanning to see if the fault appears.
How much does it cost to fix?
$10–60 for a wiring repair, or $200–500 for a new solenoid.
Related codes
P0755
P0755 Code: Shift Solenoid B Malfunction
P0756P0756 Code: Shift Solenoid B Performance or Stuck Off
P0757P0757 Code: Shift Solenoid B Stuck On
Related guide: The 10 Most Common Check Engine Codes →
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.