P2739 — Pressure Control Solenoid "F" Control Circuit High

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

  1. Read the code and freeze frame Connect an OBD2 scanner, confirm P2739 is stored, and save the freeze frame data — it shows engine conditions when the fault was detected.
  2. 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.
  3. Inspect wiring and connectors Visually inspect the wiring harness and connectors related to the automatic transmission control for damage, corrosion, chafing or poor contact.
  4. Subsystem check With the pressure control solenoid "F" control disconnected, measure signal voltage at the harness connector: a high reading with the component unplugged indicates a short to power in the harness; if it drops to normal, the component itself is faulty.
  5. Subsystem check Check transmission fluid level and condition — dark, burnt fluid points to internal wear.
  6. Subsystem check Read transmission-specific codes and live data (solenoid states, input/output speed) with a capable scanner.
  7. Verify the repair Clear the code, complete a full drive cycle including the conditions from the freeze frame, and confirm P2739 does not return.

Approximate repair cost

Repair cost depends on which component actually failed. Typical scenarios for P2739 (parts and labor, USD, independent shop rates): Transmission fluid service: $150–$350; Transmission rebuild or replacement: $2,500–$5,500; Replace a shift solenoid: $300–$800; Valve body repair or replacement: $700–$1,500. Overall, fixing P2739 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

What does OBD2 code P2739 mean?

Pressure Control Solenoid "F" Control Circuit High (P2739): a powertrain (engine/transmission) fault affecting the automatic transmission control. Short, gentle driving to a shop is usually possible. Most often caused by wiring or connector faults in the valve body harness, valve body wear, low or degraded transmission fluid.

How much does it cost to fix P2739?

Transmission fluid service — $150–$350; Transmission rebuild or replacement — $2,500–$5,500; Replace a shift solenoid — $300–$800; Valve body repair or replacement — $700–$1,500. Exact cost depends on the root cause, your vehicle and local labor rates — a proper diagnosis is the cheapest first step.

Will P2739 clear itself?

Sometimes P2739 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 are the symptoms of P2739?

Drivers most often notice: slipping between gears, shuddering at highway speed, no movement in severe cases, Check Engine or transmission warning light on.

Is it safe to drive with P2739?

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 does P2739 mean?

When P2739 appears on a scan, it means the control module has flagged a problem in the automatic transmission control: pressure control solenoid "F" control circuit high. The fault sits in the powertrain (engine/transmission) group of the OBD2 standard.

“Circuit high” means the control module sees a voltage on the pressure control solenoid "F" control circuit that is above the expected range — typically close to battery voltage. Physically this points to a short to a power feed, a broken ground return, or a failed component pulling the signal line high.

This code does not appear from a single bad reading: the module must see the fault condition repeat under defined operating conditions before it turns on the warning light. The freeze frame captured with P2739 — engine load, rpm, temperature, speed — tells you exactly when the problem occurs, so reproduce those conditions when testing.

What causes P2739?

  • signal wire shorted to battery positive
  • failed pressure control solenoid "F" control pulling the signal high
  • open ground return of the pressure control solenoid "F" control
  • wiring or connector faults in the valve body harness
  • low or degraded transmission fluid
  • valve body wear
  • failed shift or pressure control solenoid
  • internal mechanical wear (clutches, torque converter)
  • faulty transmission speed sensor

Common symptoms of P2739

  • slipping between gears
  • shuddering at highway speed
  • no movement in severe cases
  • Check Engine or transmission warning light on
  • harsh or delayed shifting

How to diagnose P2739

  1. Connect an OBD2 scanner, confirm P2739 is stored, and save the freeze frame data — it shows engine conditions when the fault was detected.
  2. 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.
  3. Visually inspect the wiring harness and connectors related to the automatic transmission control for damage, corrosion, chafing or poor contact.
  4. With the pressure control solenoid "F" control disconnected, measure signal voltage at the harness connector: a high reading with the component unplugged indicates a short to power in the harness; if it drops to normal, the component itself is faulty.
  5. Check transmission fluid level and condition — dark, burnt fluid points to internal wear.
  6. Read transmission-specific codes and live data (solenoid states, input/output speed) with a capable scanner.
  7. Clear the code, complete a full drive cycle including the conditions from the freeze frame, and confirm P2739 does not return.

How to fix P2739

Start with the cheapest and most common causes before replacing expensive parts:

  • Transmission fluid service — $150–$350
  • Transmission rebuild or replacement — $2,500–$5,500
  • Replace a shift solenoid — $300–$800
  • Valve body repair or replacement — $700–$1,500

How much does it cost to fix P2739?

Repair cost depends on which component actually failed. Typical scenarios for P2739 (parts and labor, USD, independent shop rates):

  • Transmission fluid service: $150–$350
  • Transmission rebuild or replacement: $2,500–$5,500
  • Replace a shift solenoid: $300–$800
  • Valve body repair or replacement: $700–$1,500

Overall, fixing P2739 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.

Can you drive with P2739?

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.

Related OBD2 codes