Code
P2725
Generic
P — Powertrain
Pressure Control Solenoid E Electrical
Views:
UK: 14
EN: 30
RU: 13
AI status
Completed
Completed
100%
Causes
- Open or short in the solenoid E wiring (power or ground)
- Poor connector contact or corrosion at the solenoid or PCM connector
- Failed pressure control solenoid E (coil short/open or internal fault)
- Blown fuse or weak/unstable battery/charging system
- PCM/transmission control module fault or software issue
- Wiring chafing or short to chassis or battery
Symptoms
- Malfunction indicator lamp (MIL) or transmission warning light illuminated
- Transmission limp / failsafe mode with limited gears
- Harsh, delayed, or erratic shifting
- Transmission slipping or reduced drivability
- Stored DTC(s) and possible reduced performance
What to check
- Read and record all stored DTCs and freeze frame data with a scan tool
- Verify transmission fluid level and condition (low/dirty fluid can contribute to faults)
- Visually inspect solenoid connector and wiring for damage, corrosion, or loose pins
- Backprobe connector and check for battery voltage at the supply pin with ignition ON
- Check ground continuity from solenoid ground to battery negative
- Measure solenoid coil resistance (unplug solenoid) and compare to spec
Signal parameters
- Typical coil resistance: ~10–40 ohms (varies by manufacturer; consult vehicle spec)
- Supply voltage: ~11–14 V with ignition ON (battery/charging system dependent)
- Control method: PWM duty cycle from PCM, range 0–100% (varies by design)
- PWM frequency: commonly 50–300 Hz (vehicle-specific)
- When commanded OFF: control line near supply or open-circuit depending on circuit design; when ON: modulated ground or modulated V depending on driver type
Diagnostic algorithm
- Verify the P2725 code is current (not pending). Read all related transmission DTCs and note freeze frame data.
- Check battery voltage and charging system; low voltage can cause false electrical faults.
- Visually inspect the solenoid E connector, pins, and harness for damage, corrosion, or moisture. Repair as required.
- Unplug the solenoid connector and measure coil resistance across the solenoid terminals. Compare to the vehicle specification. Replace solenoid if out of range or open/short.
- With connector unplugged, check for continuity between the solenoid harness power/ground wires and the PCM pins to confirm no open circuits. Repair any open or shorted wiring.
- Backprobe the harness with connector plugged in. Verify key-on battery voltage at the supply terminal and a good ground reference at the ground terminal.
- Command the solenoid ON/OFF with a scan tool and observe the control signal and state. Use an oscilloscope to verify PWM duty cycle and waveform integrity if available.
- If wiring and solenoid test good but fault persists, inspect/repair grounds and splice connections. Consider checking for software updates or PCM faults; reflash or replace PCM only after verifying wiring and solenoid.
- After repairs, clear codes and perform a road test under conditions that previously set the code. Re-scan to confirm the fault does not return.
Likely causes
- Corroded or disconnected solenoid connector
- Broken wire or pinched harness to the transmission
- Solenoid coil out of specification (open or low/high resistance)
- Intermittent contact caused by vibration or heat
- Faulty ground at transmission body or PCM
Fault status
Status
Transmission pressure control solenoid E — electrical circuit malfunction (open/short/intermittent).
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
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Code
P2725
LAND ROVER
P — Powertrain
Pressure control solenoid E electric
Views:
UK: 2
EN: 6
RU: 2
AI status
Completed
Completed
100%
Causes
- Open or short in the solenoid E wiring (power or ground)
- Poor connector contact or corrosion at the solenoid or PCM connector
- Failed pressure control solenoid E (coil short/open or internal fault)
- Blown fuse or weak/unstable battery/charging system
- PCM/transmission control module fault or software issue
- Wiring chafing or short to chassis or battery
Symptoms
- Malfunction indicator lamp (MIL) or transmission warning light illuminated
- Transmission limp / failsafe mode with limited gears
- Harsh, delayed, or erratic shifting
- Transmission slipping or reduced drivability
- Stored DTC(s) and possible reduced performance
What to check
- Read and record all stored DTCs and freeze frame data with a scan tool
- Verify transmission fluid level and condition (low/dirty fluid can contribute to faults)
- Visually inspect solenoid connector and wiring for damage, corrosion, or loose pins
- Backprobe connector and check for battery voltage at the supply pin with ignition ON
- Check ground continuity from solenoid ground to battery negative
- Measure solenoid coil resistance (unplug solenoid) and compare to spec
Signal parameters
- Typical coil resistance: ~10–40 ohms (varies by manufacturer; consult vehicle spec)
- Supply voltage: ~11–14 V with ignition ON (battery/charging system dependent)
- Control method: PWM duty cycle from PCM, range 0–100% (varies by design)
- PWM frequency: commonly 50–300 Hz (vehicle-specific)
- When commanded OFF: control line near supply or open-circuit depending on circuit design; when ON: modulated ground or modulated V depending on driver type
Diagnostic algorithm
- Verify the P2725 code is current (not pending). Read all related transmission DTCs and note freeze frame data.
- Check battery voltage and charging system; low voltage can cause false electrical faults.
- Visually inspect the solenoid E connector, pins, and harness for damage, corrosion, or moisture. Repair as required.
- Unplug the solenoid connector and measure coil resistance across the solenoid terminals. Compare to the vehicle specification. Replace solenoid if out of range or open/short.
- With connector unplugged, check for continuity between the solenoid harness power/ground wires and the PCM pins to confirm no open circuits. Repair any open or shorted wiring.
- Backprobe the harness with connector plugged in. Verify key-on battery voltage at the supply terminal and a good ground reference at the ground terminal.
- Command the solenoid ON/OFF with a scan tool and observe the control signal and state. Use an oscilloscope to verify PWM duty cycle and waveform integrity if available.
- If wiring and solenoid test good but fault persists, inspect/repair grounds and splice connections. Consider checking for software updates or PCM faults; reflash or replace PCM only after verifying wiring and solenoid.
- After repairs, clear codes and perform a road test under conditions that previously set the code. Re-scan to confirm the fault does not return.
Likely causes
- Corroded or disconnected solenoid connector
- Broken wire or pinched harness to the transmission
- Solenoid coil out of specification (open or low/high resistance)
- Intermittent contact caused by vibration or heat
- Faulty ground at transmission body or PCM
Fault status
Status
Transmission pressure control solenoid E — electrical circuit malfunction (open/short/intermittent).
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
Similar codes
Workshop Manuals
Repair manuals for LAND ROVER
3
Land Rover Defender 300Tdi — Workshop Manual (1996 model year)
Workshop Manual199,00 UAH
Land Rover Defender Workshop Manual Supplement & Body Repair Manual (1999 & 2002 MY)
Workshop Manual199,00 UAH
Land Rover Range Rover — Electrical Library (LRL 0453ENG, 2002)
Workshop Manual199,00 UAH
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