P0961
PowertrainTransmission Solenoidhigh severityPressure Control Solenoid "A" Control Circuit Range/Performance
What P0961 Means
The pressure control solenoid A is not performing within the expected range. Actual line pressure does not match the commanded value.
Symptoms
- Delayed or harsh shifts
- Poor shift quality
- Transmission overheating
Common Causes
- Failing pressure control solenoid
- Dirty or degraded transmission fluid
- Wiring resistance or intermittent connection
- Faulty TCM/PCM
Diagnostic Steps
- Check transmission fluid level and condition
- Retrieve freeze frame and live pressure data
- Test solenoid resistance and command response
- Replace solenoid or service fluid as needed
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Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
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Serious DIY~$100
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Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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