Code
P2715
Generic
P — Powertrain
Pressure Control Solenoid D Stuck On
Views:
UK: 17
EN: 57
RU: 17
AI status
Completed
Completed
100%
Causes
- Stuck or internally shorted pressure control solenoid D
- Open/shorted or damaged wiring harness or connector to solenoid
- Corroded or loose connector terminals
- Failed transmission control module (TCM/PCM) output driver
- Contaminated or degraded transmission fluid causing valve sticking
- Faulty valve body or internal hydraulic blockage
Symptoms
- Check Engine/Transmission warning light illuminated
- Harsh, delayed, or erratic shifting
- Transmission stuck in one gear or limp/limited-gear mode
- Poor acceleration or reduced fuel economy
- Unusual transmission noises at shift events
What to check
- Read freeze frame and live data from scan tool (TCM/PCM) and confirm code
- Visually inspect transmission fluid level, color and smell (burnt/dark/debris)
- Inspect connector and wiring for corrosion, damage, continuity, and secure fit
- Measure solenoid coil resistance and compare to spec
- Backprobe solenoid connector and monitor commanded duty cycle/voltage with scan tool while commanding shifts
- Check for voltage supply and good ground at solenoid connector with ignition on
Signal parameters
- Typical coil resistance (cold): approx. 5–30 ohms (manufacturer-specific) — compare to service spec
- Steady battery supply voltage at connector: ~11–13.5 V (ignition ON)
- PWM control frequency commonly in the range 80–250 Hz (varies by vehicle)
- Commanded duty cycle range: 0–100% (solenoid ON at higher duty, OFF at lower duty — consult vehicle data)
- Approximate current draw when energized: 0.2–2.0 A (varies with design)
- Expected response: backprobe should show commanded PWM change when TCM requests shift; continuity to ground when driven
Diagnostic algorithm
- Retrieve and record freeze-frame data and all stored transmission/PCM codes. Attempt to reproduce the fault conditions.
- Visually inspect the transmission fluid level/condition and the electrical connector at solenoid D for corrosion, bent pins, or damage.
- With ignition OFF, disconnect connector and measure solenoid coil resistance between the solenoid terminals. Compare to factory spec. A very low reading indicates a short; open/infinite indicates open coil.
- With harness connected, backprobe the solenoid connector. With ignition ON (engine off), confirm supply voltage to the solenoid and a good ground reference.
- Use a scan tool to command the solenoid ON/OFF while monitoring voltage/duty at the connector. Verify changes in duty cycle/voltage correspond to commands.
- Perform a wiggle test on harness while commanding solenoid to check for intermittent wiring faults. Observe live data for changes.
- If wiring and connector check good but solenoid behaves incorrectly on bench: remove solenoid/valve body assembly and bench-test the solenoid with a controlled 12 V source (observe current draw and audible operation).
- If solenoid bench test OK, inspect valve body for mechanical sticking or contamination; replace filter and consider fluid service if contaminated.
- If wiring short/open suspected, isolate and repair harness or replace connector terminals. After repair, clear codes and road test to ensure normal operation.
- If wiring and solenoid are good but fault persists, consider TCM driver failure — perform TCM power/ground/communication checks and consult wiring diagrams before replacing TCM or performing software updates/reprogramming.
Likely causes
- Damaged connector or chafed wire to solenoid
- Debris or varnish in transmission fluid causing solenoid/valve sticking
- Solenoid coil shorted internally
- Failed solenoid drive transistor in TCM (less common)
- Poor ground or low battery/ignition supply to transmission electronics
Fault status
Status
P2715 — Pressure Control Solenoid D Stuck On. The transmission control module has detected the solenoid is energized or at high duty when it should be off/low duty (electrical or mechanical fault). Inspect solenoid, wiring, fluid, and TCM outputs.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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