P2717

Code

Generic P — Powertrain

Pressure Control Solenoid D Intermittent

Brand: Generic

Type: P — Powertrain

Views: UK: 20 EN: 40 RU: 32

AI status

Completed

ready

Completed 100%

Page language: EN

Causes

Intermittent electrical connection at the solenoid or connector
Damaged or chafed wiring harness (open, short, or high resistance)
Corroded or bent connector pins
Faulty pressure control solenoid D (internal intermittent)
Contaminated transmission fluid or debris causing valve/solenoid sticking
Faulty PCM/TCM (rare)

Symptoms

Check Engine / Transmission MIL illuminated (intermittent)
Harsh, delayed, or erratic shifts
Transmission may go into limp mode intermittently
Occasional slipping or gear hunting under load
No symptoms when code not active or when solenoid is operating normally

What to check

Read freeze frame and live data with a capable scanner; note when code sets and commanded vs reported solenoid status
Perform a visual inspection of the transmission connector and wiring for damage, corrosion, or pin distortion
Wiggle test wiring and connector while watching live data to try to reproduce the code
Measure solenoid coil resistance at the connector (unplugged) and compare to spec
Check for proper battery voltage at the solenoid power feed and good ground
Check transmission fluid level and condition (metal particles, contamination)

Signal parameters

Typical solenoid coil resistance (varies by vehicle): ~8–30 ohms (measure with circuit disconnected)
Nominal supply voltage at harness: battery voltage ~11–14 V
Drive signal: PWM duty cycle 0–100% from PCM/TCM; frequency commonly 50–500 Hz (manufacturer dependent)
Intermittent faults may show open-circuit (infinite ohms) or short to ground/power (near 0 ohms) on resistance check
Scope waveform: clean PWM when commanded; look for dropouts, noise, or missing pulses when intermittent

Diagnostic algorithm

Retrieve freeze frame, readiness, and all related codes. Note conditions when the code occurred (temp, load, speed).
Clear the code and attempt to reproduce. Use a scan tool to monitor PCS D commanded duty and any feedback while driving or using active tests.
Visually inspect the transmission connector, pins and harness for corrosion, bent pins, or contamination. Repair or clean as needed.
With ignition off, disconnect the solenoid connector and measure coil resistance to ground and between terminals. Compare to spec. Look for intermittent changes while wiggling harness.
Backprobe the connector with the system powered and command the solenoid ON/OFF (active test) while monitoring voltage and duty cycle. Verify consistent PWM and battery feed. Use a scope if available to detect momentary dropouts.
Perform a continuity check from the solenoid connector to the PCM connector to rule out intermittent opens; inspect for high-resistance joints or grounds.
If wiring and connectors are good but intermittent persists, consider bench-testing or replacing the solenoid (or solenoid pack) and re-testing.
If replacement does not clear the intermittent event, inspect valve body and fluid for contamination; consider transmission fluid service and valve body inspection.
If all wiring, solenoid and hydraulic checks are good, consider PCM/TCM driver fault — verify with manufacturer diagnostics before replacing control module.
After repairs, clear codes and perform a thorough road test and re-scan to confirm the issue is resolved.