P0723 moderate

Output Speed Sensor Circuit Intermittent

The P0723 code means the vehicle's onboard diagnostic system has detected: Output Speed Sensor Circuit Intermittent. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$100 - $350 (parts and labor)
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Common Symptoms

  • Check Engine Light illuminated intermittently
  • Speedometer needle bounces
  • Occasional harsh shifting
  • Intermittent limp mode

Probable Causes (Ranked by Likelihood)

  • Loose output speed sensor connector Very High
  • Intermittent break in sensor wiring High
  • Metallic debris on sensor tip Moderate
  • Failing sensor with erratic signal Low

Step-by-Step Diagnostic Procedure

  1. Monitor output speed on a scan tool during driving for signal drops

  2. Wiggle sensor connector while monitoring readings

  3. Clean sensor tip of any metallic debris

  4. Inspect wiring for damage at stress points

  5. Replace output speed sensor if intermittent readings continue after connector repair

Frequently Asked Questions

Can I drive with code P0723?

Drive short distances only. Output Speed Sensor Circuit Intermittent can cause unsafe or unpredictable transmission behavior.

What causes P0723?

The most common cause is a faulty sensor or wiring issue. Loose output speed sensor connector is the most likely cause.

Is P0723 expensive to fix?

Typical repair costs range from $100 - $350 (parts and labor). Sensor replacement is the most common fix.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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