C0747 moderate

TPMS Rapid Pressure Loss - Rear Left

The C0747 code means the vehicle's onboard diagnostic system has detected: TPMS Rapid Pressure Loss - Rear Left. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
easy
Estimated cost
$0 - $200 (parts and labor)
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Common Symptoms

  • TPMS warning light on
  • Low tire pressure warning
  • Tire pressure reading incorrect
  • Rapid tire pressure loss alert

Probable Causes (Ranked by Likelihood)

  • Underinflated tire Very High
  • Punctured tire or slow leak High
  • Failed TPMS sensor giving wrong reading Moderate
  • Temperature change affecting tire pressure Low

Step-by-Step Diagnostic Procedure

  1. Manually check tire pressures with gauge

  2. Inspect tires for punctures or damage

  3. Compare TPMS readings to manual gauge readings

  4. Check for tire bead leaks or valve stem damage

Frequently Asked Questions

What does code C0747 mean?

C0747 indicates a fault with the tpms rapid pressure loss - rear left.

Can I drive with C0747?

Check tire pressures immediately. A rapid pressure loss may indicate a dangerous tire condition.

How much does it cost to fix C0747?

Typical repair costs are $0 - $200 (parts and labor).

Sources

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

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