B0202 low

Driver Seat Forward/Back Position Sensor Circuit Low

The B0202 code means the vehicle's onboard diagnostic system has detected: Driver Seat Forward/Back Position Sensor Circuit Low. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$70 - $320 (parts and labor)
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Common Symptoms

  • Seat position reads full forward constantly
  • Memory positions not accurate
  • Seat adjustment sluggish
  • Check seat warning message

Probable Causes (Ranked by Likelihood)

  • Short to ground in sensor circuit Very High
  • Failed seat position sensor High
  • Damaged wiring under seat Moderate
  • BCM input circuit fault Low

Step-by-Step Diagnostic Procedure

  1. Check sensor circuit voltage at BCM

  2. Test sensor resistance values

  3. Inspect wiring for shorts to ground

  4. Verify sensor power supply

Frequently Asked Questions

What causes a low circuit reading?

A low circuit typically means the sensor signal is shorted to ground due to damaged wiring insulation or a failed sensor.

Can I drive safely with this code?

Yes, this code affects seat memory convenience features only and does not impact safety.

How much does the sensor cost?

Seat position sensors typically cost $30-$80 for the part, with labor adding $50-$200.

Sources

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

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