P0752
Shift Solenoid A Stuck On
If your code reader dashboard displays the generic DTC error code P0752, your vehicle is currently experiencing an active failure related to "Shift Solenoid A Stuck On". Proper system troubleshooting is required to safely clear this warning.
Driver's Summary
Your vehicle's computer logged P0752 after detecting a malfunction in the shift solenoid a stuck on system. Drivers typically experience vehicle starts in wrong gear, harsh shifting, limp mode when this code is active. This is a serious fault — avoid extended driving and have your vehicle inspected by a mechanic as soon as possible to prevent further damage.
Symptoms
Vehicle starts in wrong gear, harsh shifting, limp mode
Common Causes
- Shift solenoid A physically stuck open
- Short to voltage in solenoid wiring
- Dirty valve body
- Mechanical transmission failure
How to Fix
- 1 Replace shift solenoid A
- 2 Repair wiring short
- 3 Clean and inspect valve body
- 4 Overhaul transmission
Technical Explanation
Detection of P0752 occurs when the ECM cross-references multiple sensor inputs and determines that the reported values are physically inconsistent or out-of-range. Shift solenoid circuits are monitored for both functional performance (does the transmission achieve the commanded gear ratio?) and electrical integrity (is the solenoid's resistance within the normal range of 10–40 ohms?). The fault remains stored in memory even after the MIL is cleared; it becomes a confirmed DTC after failing two consecutive drive cycles, and the PCM logs a freeze frame record of the engine's exact operating state at the moment of detection.
Is It Safe to Drive?
This fault carries real mechanical risk. The root causes — including shift solenoid a physically stuck open — can trigger a chain reaction of component failures if the vehicle continues to be driven. Have it towed or drive directly to a shop without delay.
Mechanic's Pro Tip
Before replacing any component on P0752, spend 5 minutes inspecting the wiring harness and connector first — corrosion, chafed insulation, and backed-out pins cause the majority of these faults and cost nothing to fix. Use a multimeter to measure voltage drop across the connector pins under load; anything above 0.1V indicates excessive resistance that will cause intermittent failures even after replacing the sensor.
Solenoid: $250 - $500; Rebuild: $2,000+