P0768🔧 Transmission / Shift solenoidsStop and fix promptly

P0768: Shift Solenoid D Electrical (Meaning, Causes, Fixes)

Reviewed 2026-10-25 · Based on 2 cited source(s)

What P0768 means

Automatic transmissions shift by sending fluid pressure to the right clutches and bands at the right time, and the shift solenoids open and close valves in the valve body to do that. OBD-Codes.com (John Ingalls, former service manager and Air Force mechanic) describes P0768 as a generic code for an electrical malfunction in the shift solenoid D circuit, detected by the powertrain control module (PCM), on vehicles including Chrysler, Ford, Dodge, Hyundai, Kia, Ram, Lexus, Toyota, Mazda, Honda and VW. It says the number of shift solenoids depends on how many gears the transmission has, that the D-solenoid codes are P0765 through P0769, and that an overdrive or other transmission warning lamp may also come on. RepairPal names it Shift Solenoid "D" Electrical, but its explanation uses the same generic wording as its other shift solenoid codes: the TCM sets P0768 when it detects a pressure control solenoid is not performing as desired, without mentioning an electrical fault specifically. Neither source ties solenoid D to a particular gear, so check your vehicle's service information for what solenoid D controls.

Severity: can I keep driving?

Stop and fix promptly

Get it checked soon, and don't keep driving hard on it. RepairPal rates P0768 Urgent, meaning it can cause severe damage or be unsafe. OBD-Codes.com says the severity normally starts as moderate but can become severe rapidly if it isn't fixed, and lists transmission slipping, overheating, catching in gear and limp mode among the symptoms. If the transmission slips, overheats, gets stuck in one gear or drops into limp mode, limit driving and have it diagnosed. An open code can also fail an OBD2 emissions inspection.

Common symptoms

Likely causes

Roughly most to least common, based on the sources below. Your vehicle may differ.

  1. Faulty shift solenoid (both sources)
  2. Faulty or damaged wiring, or a corroded or damaged connector (both sources list wiring)
  3. Low transmission fluid level (both sources)
  4. Transmission control module (TCM) failure (RepairPal)
  5. Dirty or contaminated fluid, or a dirty or clogged transmission filter (OBD-Codes.com)
  6. Defective valve body or restricted hydraulic passages (OBD-Codes.com)
  7. Internal transmission failure (OBD-Codes.com)
  8. Faulty PCM (OBD-Codes.com)

Diagnostic steps you can do

⚠ Before you start

Work on a cool engine, parked on level ground with the parking brake set. Never work under a car supported only by a jack.

  1. Write down every code stored with P0768 and the freeze frame data; other transmission codes, such as A, B or C solenoid codes or other D-solenoid codes (P0765, P0766, P0767 and P0769), help narrow the problem.
  2. Look up technical service bulletins for your year, model and transmission, and check when the fluid and filter were last changed, as OBD-Codes.com recommends.
  3. Check the transmission fluid level and look for contamination; both sources list low fluid as a cause.
  4. Inspect the wiring and connectors to the transmission solenoids, transmission pump and PCM for scraping, rubbing, bare wires, burn spots, corrosion and damaged pins, and check the shift linkage for security and binding where your transmission has one (OBD-Codes.com).
  5. With power removed, OBD-Codes.com says wiring continuity should read 0 ohms unless your service data says otherwise; resistance or no continuity points to an open or shorted wire. Voltage specs vary by vehicle, so follow your vehicle's troubleshooting chart.

Typical fixes

Repair costs vary widely by vehicle, region, parts brand and shop, so we don't quote prices. Get a written estimate after diagnosis.

🛠 When to call a pro

  • The transmission slips, overheats, sticks in a gear or goes into limp mode; RepairPal rates P0768 Urgent
  • OBD-Codes.com says the advanced steps are vehicle specific and need a digital multimeter and the vehicle's own technical references, with voltage specs varying by year and model
  • Several transmission codes are stored at once, or the problem returns after a fluid and filter change

Where to buy

Plain search links. Always match parts to your exact year, make, model and engine.

OBD2 scanners on Amazon Parts at Advance Auto Parts catalog at RockAuto

FAQs

Is P0768 serious?

Yes, it should be fixed soon. RepairPal rates it Urgent. OBD-Codes.com says it usually starts as moderate but can become severe rapidly if not corrected, with slipping, overheating, catching in gear and limp mode possible.

Can I drive with P0768?

Neither source gives a safe distance. Because RepairPal rates it Urgent and OBD-Codes.com says it can worsen quickly, keep driving to a minimum and stop if the transmission slips, overheats or goes into limp mode.

What does electrical mean here?

OBD-Codes.com says P0768 is associated with an electrical malfunction in the shift solenoid D circuit, which is why wiring, connectors and the solenoid itself are the first things to check. Neither source describes the exact electrical test the computer runs, and it varies by transmission, so check your vehicle's service information.

What is the difference between P0767 and P0768?

Both involve shift solenoid D. OBD-Codes.com describes P0767 as a stuck-on solenoid and P0768 as an electrical malfunction in the solenoid D circuit. The listed symptoms, causes and repairs are the same on both sources' pages.

Why do the sources disagree?

RepairPal says the TCM sets the code when a pressure control solenoid isn't performing as desired and lists the TCM as a cause, while OBD-Codes.com describes an electrical malfunction in the solenoid D circuit detected by the PCM and lists the PCM. OBD-Codes.com also lists more causes, including dirty fluid, a clogged filter, the valve body and internal transmission failure, and rates severity as moderate at first rather than Urgent.

Sources

  1. OBD-Codes.com: P0768 Shift Solenoid D Electrical
  2. RepairPal: P0768 Shift Solenoid "D" Electrical (rated Urgent)

Last reviewed 2026-10-25. Code definitions and repair steps can vary by manufacturer. Confirm with your vehicle's service information.