P0961
Pressure Control Solenoid A Control Circuit Range/Performance
Transmission
Generic OBD-II
Medium
What it means
P0961 means the transmission control module sees the "A" pressure control solenoid responding outside its expected range. This solenoid regulates hydraulic line pressure for shifting, so a range/performance fault usually shows up as harsh, delayed, or slipping shifts rather than an engine problem. The engine still runs and starts normally.
Medium
Can I keep driving? Usually drivable, but expect harsh or delayed shifts and possible limp mode; get it looked at soon to avoid transmission wear.
Common symptoms
What you'll notice
- Check-engine light on
- Delayed or harsh gear changes
- Transmission slipping or holding gears too long
- Transmission may drop into limp (fail-safe) mode
Common causes
Most likely first
- Failed pressure control solenoid ALikely
- Damaged wiring or connector in the solenoid control circuitCommon
- Loose or corroded electrical connectionsCommon
- Low or contaminated transmission fluid affecting hydraulic responseLess often
- Faulty transmission control module (TCM)Less often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and check transmission fluid level and condition first.
- Inspect the solenoid wiring and connector for damage, corrosion, or loose pins.
- Measure the solenoid resistance and control-circuit voltage against spec.
- Replace the pressure control solenoid A if it is out of range.
- If wiring and solenoid test good, have the TCM diagnosed. Clear and road-test.
FAQ
Quick answers
Is it safe to drive with P0961?+
Short trips are usually fine, but harsh shifting or limp mode can accelerate transmission wear, so repair it soon.
Can I just clear P0961?+
It will return once the solenoid or its circuit acts up again; clearing only helps confirm the fault after a real repair.
Related codes
Often seen with P0961
Read & clear P0961 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX