Pressure Control Solenoid A Control Circuit Range/Performance
The P0961 code means the vehicle's onboard diagnostic system has detected: Pressure Control Solenoid A Control Circuit Range/Performance. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $50 - $500 (parts and labor)
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What Are the Symptoms of P0961?
- Check Engine Light illuminated
- Oil pressure fluctuation at idle
- Variable valve timing not operating correctly
- Slight power loss under load
What Causes P0961? (Most Likely First)
- Solenoid A partially stuck or contaminated Very High
- Degraded engine oil causing sluggish solenoid operation High
- Electrical resistance out of specification in solenoid circuit Moderate
- ECM calibration issue with solenoid duty cycle Low
Can I Still Drive with P0961?
Short distances only. P0961 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
Can an oil change fix P0961?
If the solenoid is sluggish due to old, thick oil, a fresh oil change can restore proper operation. This is a low-cost first step before replacing the solenoid.
What does range/performance mean for this code?
The solenoid is responding but not within the expected parameters. It may be too slow, not reaching full duty cycle, or not holding pressure consistently.
How does oil quality affect pressure solenoids?
Engine oil flows through the solenoid to control pressure. Contaminated or thick oil can cause the solenoid to stick or respond slowly, triggering range/performance codes.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P0961?
-
Check engine oil level and condition
-
Monitor solenoid A duty cycle and response time with a scan tool
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Test solenoid resistance and compare to specifications
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Perform an oil and filter change if oil is degraded
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Which Vehicles Commonly Get P0961?
- 2010-2020 Toyota Corolla
- 2008-2018 Honda Civic
- 2012-2019 Hyundai Elantra
- 2009-2019 Nissan Sentra
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