P0767 — Shift Solenoid D Stuck On

P0767 — Shift Solenoid D Stuck On. A fault in the automatic transmission control. Short, gentle driving to a shop is usually possible. Typical causes: wiring or connector faults in the valve body harness, faulty transmission speed sensor, low or degraded transmission fluid.

powertrain (engine/transmission)

Is it safe to drive?

Drive with caution Drive only if the transmission still shifts predictably, and avoid highway speeds. Driving with slipping or limp mode accelerates internal wear — every kilometre can add to the final repair bill.

How to diagnose with an OBD scanner

Read the code and freeze frame Connect an OBD2 scanner, confirm P0767 is stored, and save the freeze frame data — it shows engine conditions when the fault was detected.
Check for companion codes and TSBs Related codes often reveal the real root cause. Also check manufacturer technical service bulletins (TSB) for your make and model — many P0xxx issues have factory fixes or software updates. Search by VIN on the manufacturer site or nhtsa.gov.
Inspect wiring and connectors Visually inspect the wiring harness and connectors related to the automatic transmission control for damage, corrosion, chafing or poor contact.
Subsystem check Command the shift solenoid d on and off with a scanner and watch the feedback signal; then remove and inspect the mechanism for sticking before replacing it.
Subsystem check Check transmission fluid level and condition — dark, burnt fluid points to internal wear.
Subsystem check Read transmission-specific codes and live data (solenoid states, input/output speed) with a capable scanner.
Verify the repair Clear the code, complete a full drive cycle including the conditions from the freeze frame, and confirm P0767 does not return.

Approximate repair cost

Repair cost depends on which component actually failed. Typical scenarios for P0767 (parts and labor, USD, independent shop rates): Transmission rebuild or replacement: $2,500–$5,500; Transmission fluid service: $150–$350; Valve body repair or replacement: $700–$1,500; Replace a shift solenoid: $300–$800. Overall, fixing P0767 usually costs between $150 and $5,500. An accurate diagnosis before buying parts saves money — the most expensive scenario is rarely the first one to check.

Common questions

Is it safe to drive with P0767?

Drive only if the transmission still shifts predictably, and avoid highway speeds. Driving with slipping or limp mode accelerates internal wear — every kilometre can add to the final repair bill.

What is the most common cause of P0767?

The most common causes are: wiring or connector faults in the valve body harness, faulty transmission speed sensor, low or degraded transmission fluid.

What are the symptoms of P0767?

Drivers most often notice: transmission stuck in one gear (limp mode), no movement in severe cases, Check Engine or transmission warning light on, shuddering at highway speed.

Will P0767 clear itself?

Sometimes P0767 clears after a few drive cycles if the fault was intermittent — for example a loose connector or a tank of bad fuel. The underlying cause usually remains, so the code tends to return. Clear it once; if it comes back, diagnose rather than erase it repeatedly.

What does OBD2 code P0767 mean?

When your vehicle's engine control module detects that shift solenoid D is not responding correctly, it logs trouble code P0767. This diagnostic code specifically indicates "Shift Solenoid D Stuck On," meaning the solenoid fails to change its operating state when the transmission control unit sends a command. In an automatic transmission, shift solenoids are electromechanical valves inside the valve body that regulate hydraulic fluid pressure to engage and disengage gear sets. When solenoid D remains stuck in one position, it disrupts the normal gear-changing sequence the ECU expects.

The powertrain control module does not trigger P0767 based on a single anomalous reading. Instead, it requires the fault condition to occur repeatedly under specific driving conditions—such as a particular vehicle speed, engine load, or transmission temperature—before illuminating the check engine or transmission warning light. This adaptive logic prevents false codes triggered by temporary electrical glitches. When P0767 is set, the module also stores freeze frame data capturing the exact operating conditions at the moment of failure, giving you precise information about when the problem manifested.

Understanding why the ECU flags this code requires recognizing that the transmission control system operates as a closed feedback loop. The module commands solenoid D to open or close, then monitors sensor data to verify the resulting gear change occurred. When the physical response does not match the electrical command—because carbon deposits are jamming the solenoid, for instance, or a spring has broken—the module recognizes the discrepancy and sets P0767 after the predefined test criteria are satisfied.

Common Symptoms of P0767

The transmission may enter limp-home mode, locking the vehicle in a single gear to prevent further damage
Some drivers report complete loss of drive, with the vehicle refusing to move in any gear
An illuminated Check Engine light or dedicated transmission warning indicator on the dashboard
Noticeable shuddering, vibration, or abnormal noise during highway cruising
Shifting feels harsh, delayed, or erratic when the transmission attempts to change gears
Reduced acceleration as the transmission cannot access its full gear range
Inconsistent engagement when shifting between drive and reverse

What Causes P0767?

The most frequent culprit behind P0767 is contamination inside the valve body. Over time, carbon buildup, dirt particles, and metallic debris suspended in transmission fluid can lodge in the solenoid's small passages, preventing the plunger or valve from moving freely. Transmission fluid that has broken down due to heat or age compounds this issue, becoming more viscous and less capable of carrying contaminants into the filter.

Beyond contamination, the solenoid's internal components can fail mechanically. A broken return spring, a warped armature plate, or coil windings that have shorted or opened electrically will cause the solenoid to remain perpetually engaged or disengaged. These failures often develop gradually, with symptoms worsening as the defect advances.

Wiring and connector problems rank among the next most likely causes. The harness routing near the transmission experiences constant vibration and thermal cycling. Over time, insulation can crack, wires can break at flexion points, and connector pins can corrode or develop high resistance. These conditions prevent reliable electrical signals from reaching solenoid D.

Low or degraded transmission fluid deserves early attention because it affects multiple aspects of transmission operation simultaneously. Insufficient fluid pressure reduces the force available to actuate solenoids and clutches, while burnt fluid indicates overheating that may have damaged seals, clutches, or the torque converter.

In some cases, the solenoid itself is functional, but the transmission control module or its software contains an error. Although less common, this scenario highlights why thorough diagnosis matters before replacing parts.

How to Diagnose P0767

Connect an OBD2 scanner compatible with your vehicle and confirm that P0767 is stored in the transmission or powertrain control module. Save the freeze frame data, which records engine load, RPM, vehicle speed, coolant temperature, and other parameters at the instant the fault was detected—this snapshot guides your testing.
Retrieve all other stored diagnostic trouble codes. Codes related to other solenoids, pressure switches, or speed sensors often point to a common root cause such as low fluid, a wiring harness problem, or a failing sensor affecting multiple circuits.
Perform a visual inspection of the transmission wiring harness and connectors. Look for damaged insulation, chafed wires near metal brackets, moisture intrusion, or loose connector locks. Disconnect and reconnect each connector while observing for corrosion or bent pins.
Using a bidirectional scanner, command shift solenoid D to activate and deactivate while monitoring the corresponding input or output data stream. Compare the observed response against expected values. If the solenoid fails to respond electrically, measure resistance across its terminals and compare against manufacturer specifications.
Inspect transmission fluid level and condition. The fluid should be pink or red and translucent. Dark brown or black fluid with a burnt smell suggests glazing of bore surfaces, worn clutch material, or excessive heat. Low fluid level can cause inconsistent solenoid operation.
If no external cause is found, remove the valve body to access and physically examine solenoid D. Check for binding in its bore, damaged O-rings, or visible contamination. Many shops recommend replacing the entire solenoid assembly rather than attempting internal cleaning due to precision tolerances.

How to Fix P0767

Repair approaches range from simple fluid service to complete transmission replacement, depending on what the diagnosis reveals.

Transmission fluid and filter service: $150–$350. Often the only repair needed if contamination triggered the code and no internal damage has occurred. This includes pan removal, filter replacement, and fresh fluid.
Shift solenoid replacement: $300–$800. The solenoid itself is relatively inexpensive, but labor costs vary based on whether the valve body must be removed. Some vehicles allow solenoid access without full disassembly.
Valve body repair or replacement: $700–$1,500. A faulty valve body may require cleaning, machining, or outright replacement. Remanufactured valve bodies offer a middle-ground option between rebuilding and new.
Transmission rebuild or replacement: $2,500–$5,500. Reserved for cases where clutches, bands, the torque converter, or other internal components have sustained damage. A rebuilt unit from a reputable supplier typically carries a warranty comparable to new.

The total cost to repair P0767 typically falls between $150 and $5,500, with the lower end applying when fluid service alone resolves the issue. An accurate diagnosis before purchasing parts is essential—replacing the solenoid when the real problem is low fluid wastes money and leaves the underlying cause unaddressed.

Can You Drive with P0767?

Continuing to drive with P0767 active is risky. When the transmission enters limp mode, it locks in a single gear—usually third or fourth—which reduces your ability to accelerate safely and stresses other drivetrain components. The increased mechanical load can accelerate wear on clutches and the torque converter, potentially converting a $300 solenoid repair into a $4,000 transmission rebuild. If harsh shifting or shuddering is present, each kilometer driven compounds internal damage. Drive minimally to a qualified repair facility and avoid highway speeds or heavy loads until the issue is resolved.