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P0745CriticalTransmission

P0745: Pressure Control Solenoid Malfunction

2 vehicles · 2 makes · $200-$3,500 repair

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Most Reported On

1992-1997Volvo 9602002-2010Ford Explorer

P0745 is an OBD-II diagnostic trouble code meaning “Pressure Control Solenoid Malfunction.” This transmission code indicates a problem with the pressure control solenoid (also called the line pressure or EPC solenoid), an electronically controlled valve that regulates the hydraulic fluid pressure inside the automatic transmission. The transmission computer uses this solenoid to set the right pressure for smooth, firm shifts, so when it detects an electrical fault or out-of-range performance, it sets this code. The result is often harsh, soft, or erratic shifting, and the transmission may drop into a protective limp mode. It generally points to an electrical or hydraulic issue with the solenoid itself or its control circuit. This code is most commonly reported on 1992-1997 Volvo 960, and 2002-2010 Ford Explorer, with repair costs ranging from $200 to $3,500.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (2)
  • Related Codes
  • FAQ
  • Sources (1)

Makes

  • Ford1
  • Volvo1
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Common Causes

1Failed or stuck pressure control (EPC) solenoid
2Low or contaminated transmission fluid
3Dirty fluid clogging or sticking the solenoid valve
4Wiring or connector fault in the solenoid circuit
5Internal valve body wear or leakage
6Faulty transmission control module
7Internal transmission electrical (case connector) short

Typical Repair Cost

$200 - $3,500

Based on 2 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P0745, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

by ANCEL

A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

  • Read & clear engine codes
  • View freeze frame data
  • I/M readiness status
  • No batteries or app needed
Check Price on Amazon
Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
Check Price on Amazon
Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
Check Price on Amazon
Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
  • Bi-directional control & active tests
  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
Check Price on Amazon

As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

Vehicles Affected (2)

Ford P0745 page →
ExplorerCritical

5R55W/5R55S Transmission Servo Bore Wear Causing Flare, Slip, and Delayed Reverse

2002-2010$900-$3,5000 reports
Volvo P0745 page →
960Moderate

ZF 4HP22 Automatic Transmission Limp Mode

1992-1997$200-$2,5000 reports

Related Codes (8)

P0740Torque Converter Clutch Circuit MalfunctionP0741Torque Converter Clutch Circuit Performance/Stuck OffP0742Torque Converter Clutch Circuit Stuck OnP0743Torque Converter Clutch Circuit ElectricalC0700Transmission Control Module CommunicationP0218Transmission Over Temperature ConditionP0500Vehicle Speed Sensor MalfunctionP0700Transmission Control System Malfunction

FAQ

What does P0745 mean?

P0745 stands for "Pressure Control Solenoid Malfunction." This transmission code indicates a problem with the pressure control solenoid (also called the line pressure or EPC solenoid), an electronically controlled valve that regulates the hydraulic fluid pressure inside the automatic transmission. The transmission computer uses this solenoid to set the right pressure for smooth, firm shifts, so when it detects an electrical fault or out-of-range performance, it sets this code. The result is often harsh, soft, or erratic shifting, and the transmission may drop into a protective limp mode. It generally points to an electrical or hydraulic issue with the solenoid itself or its control circuit.

What are the most common causes of P0745?

The most common causes of P0745 are: Failed or stuck pressure control (EPC) solenoid, Low or contaminated transmission fluid, Dirty fluid clogging or sticking the solenoid valve, Wiring or connector fault in the solenoid circuit, Internal valve body wear or leakage, Faulty transmission control module, Internal transmission electrical (case connector) short. The specific cause varies by vehicle.

How much does it cost to fix P0745?

Repair costs for P0745 range from $200 to $3,500, depending on the vehicle and root cause.

Which vehicles are affected by P0745?

Au7o has documented P0745 across 2 vehicle models from 2 manufacturers: Ford, Volvo.

Sources (1)

  • TSBFord TSB 07-14-6: 5R55S/5R55W flare/bind/delayed engagement concerns

Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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