Code
P2719
LAND ROVER
P — Powertrain
Pressure control solenoid D control - performance range / performance
Views:
UK: 3
EN: 18
RU: 4
AI status
Completed
Completed
100%
Causes
- Restricted or contaminated transmission fluid
- Faulty pressure control solenoid D (stuck, shorted or open coil)
- Poor electrical connection: corroded/loose connector, damaged wiring, pin corrosion
- Open/shorted solenoid harness or faulty ground
- Internal valve body problem or hydraulic leakage past valve/solenoid
- Faulty transmission control module (TCM) or incorrect software/calibration
Symptoms
- Transmission MIL (check engine light) illuminated
- Harsh, delayed or erratic shifting
- Transmission slipping or inability to achieve/hold gear
- Limp-in mode (reduced gear availability) or default shift strategy
- Abnormal line pressure or torque converter lock-up behavior
What to check
- Read freeze frame and live data with an appropriate scan tool; note RPM, gear, engine load, and solenoid command duty
- Check for other stored transmission codes or historical events
- Visually inspect transmission fluid: level, color (dark/burnt), and smell (burnt odor)
- Inspect wiring and connector for solenoid D for corrosion, damaged insulation, bent pins or poor seating
- Measure solenoid D coil resistance at the connector and compare to specification
- Back-probe the solenoid control connector and check for proper supply voltage and TCM command signal (PWM duty cycle) with DMM or oscilloscope
Signal parameters
- Typical solenoid coil resistance (general guideline): ~10–30 Ω (consult manufacturer spec) — open/very high resistance indicates open coil; near 0 Ω indicates short
- Expected control: PWM duty cycle 0–100% (TCM varies duty to control pressure)
- Operating voltage reference: ~0–12 V (command signal varies between ground-switched or high-side depending on design)
- PWM frequency: commonly 20–250 Hz depending on manufacturer (use oscilloscope to verify shape and frequency)
- Normal current draw: typically 0.1–1.5 A depending on coil; large deviations indicate fault
Diagnostic algorithm
- Retrieve DTCs and freeze-frame data using an OEM-capable scan tool; record conditions when DTC set.
- Inspect fluid level and condition; if fluid is dark/contaminated, consider fluid/filter service before electrical replacement.
- Visually inspect solenoid D connector and wiring for damage, corrosion, loose pins, or poor ground. Repair any damaged wiring/connectors.
- With ignition off, measure coil resistance of solenoid D across the two solenoid terminals. Compare to spec; replace solenoid if out of range.
- With key on (engine off), back-probe the connector and verify battery supply voltage and ground presence. With engine running or while commanded by scan tool, monitor PWM duty and voltage with an oscilloscope or graphing scan tool and compare commanded vs actual.
- Perform a wiggle test on harness while monitoring live data/oscilloscope for intermittent changes.
- If electrical checks pass, use a transmission pressure gauge to check line pressure response while commanding different duty cycles to the solenoid. Lack of pressure change suggests hydraulic/valve body fault or internal leakage.
- If possible, swap solenoid D with another identical solenoid (if design allows) and see if the fault follows the solenoid or remains with the circuit (note: some vehicles require valve body removal to swap).
- If solenoid and wiring are good but pressure/operation is incorrect, inspect valve body and servos for wear, contamination, or stuck valves; replace valve body/solenoid pack as required.
- Reflash/reprogram TCM if a software correction is available and known. Clear codes and road test to verify repair.
Likely causes
- Contaminated or degraded ATF causing solenoid sticking
- Intermittent/open/short in solenoid D wiring or connector
- Failed solenoid coil (out-of-spec resistance)
- Internal valve body bore wear or stuck valve that prevents correct pressure control
- Connector pin corrosion or poor ground at transmission harness
Fault status
Status
Transmission pressure control solenoid D - performance/range fault detected. TCM detected incorrect response to commanded solenoid control, may cause shift disturbances or limp-in mode.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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