Pressure Control Solenoid "C" Control Circuit Low
The P0970 code means the vehicle's onboard diagnostic system has detected: Pressure Control Solenoid "C" Control Circuit Low. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $150 - $900 (external solenoid or wiring at the low end; internal transmission solenoid work at the high end)
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What Are the Symptoms of P0970?
- Check Engine Light on
- Harsh, delayed, or missing shifts
- Transmission may enter limp mode (often locked in one gear)
- Symptoms can vary with fluid temperature
What Causes P0970? (Most Likely First)
- Failed Pressure Control Solenoid "C" High
- Low or contaminated transmission fluid - the cheapest thing to rule out first High
- Wiring or connector fault at the transmission case connector Moderate
- Valve body wear or debris holding the solenoid circuit off-spec Moderate
Can I Still Drive with P0970?
Short distances only. P0970 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P0970 mean?
P0970 is a generic OBD-II code defined by SAE J2012 as "Pressure Control Solenoid "C" Control Circuit Low". It means the control module detected the signal reading below its valid range - typically a short to ground or a failed component
Can I keep driving with P0970?
Short trips only. This fault can worsen or put the system into a protective mode without much warning, so have it diagnosed promptly.
Does P0970 mean the same thing on every car?
Yes. P0970 is in the generic (SAE J2012) range, so the definition is standardized across manufacturers. The specific component location and repair procedure still vary by vehicle - check your service information.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P0970?
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Check transmission fluid level and condition first - burnt or low fluid causes solenoid codes and is cheap to fix.
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Command the Pressure Control Solenoid "C" with a capable scan tool and watch for a response.
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Measure solenoid resistance at the case connector against the service-manual spec.
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Inspect the external harness and case connector for damage and fluid intrusion.
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If electrical tests pass, the fault is internal - valve body or solenoid pack service.
Sources 1
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)
Which Vehicles Commonly Get P0970?
- All OBD-II vehicles - this is a generic (SAE J2012) code with the same meaning across makes
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