P2819 critical

Clutch A Pressure Low

The P2819 code means the vehicle's onboard diagnostic system has detected: Clutch A Pressure Low. This is a critical severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$1000 - $3500 (parts and labor)
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What Are the Symptoms of P2819?

  • Clutch A slipping in multiple gears
  • Wide range of shift quality issues
  • Transmission overheating from slippage
  • Loss of forward drive in severe cases

What Causes P2819? (Most Likely First)

  • Clutch A piston seal deteriorated Very High
  • Main line pressure drop affecting clutch A High
  • Clutch A apply solenoid underperforming Moderate
  • Clutch A accumulator leak Low

Can I Still Drive with P2819?

Short distances only. P2819 is rated critical severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.

Frequently Asked Questions

Is clutch A more critical than other clutches?

Clutch A is often the forward clutch used in most forward gears. Low pressure in clutch A can affect multiple gear ratios, making it a high-impact failure.

Can main line pressure affect individual clutch pressure?

Yes. If overall line pressure is low, all clutch circuits will be affected. Always check main line pressure before diagnosing individual clutch pressure issues.

What is a clutch accumulator?

An accumulator is a spring-loaded piston that absorbs initial pressure spikes when a clutch applies, providing a smoother engagement. A leak reduces available pressure.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose P2819?

  1. Measure clutch A apply pressure

  2. Check main line pressure

  3. Test clutch A solenoid function

  4. Inspect clutch A accumulator condition

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 P2819?

  • 2010-2020 Toyota RAV4
  • 2012-2019 Honda CR-V
  • 2008-2018 Ford Escape
  • 2011-2020 Chevrolet Equinox

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