What Does B00C5 Mean?
This code indicates the Body Control Module (BCM) or Restraint Control Module (RCM) has detected a subfault in the passenger seat track position sensor. This sensor monitors the fore/aft position of the passenger seat to optimize airbag deployment timing and force. A subfault suggests an intermittent signal, out-of-range reading, or internal sensor circuit malfunction that affects the supplemental restraint system's ability to properly calibrate passenger airbag deployment.
Common Causes
45%
Faulty seat track position sensor or internal potentiometer failure
30%
Damaged or corroded wiring harness connector at seat track sensor
15%
Mechanical binding or obstruction in seat track preventing accurate position reading
10%
Failed restraint control module or body control module internal fault
Diagnostic Steps
1
Step 1: Perform visual inspection of passenger seat track mechanism for debris, mechanical binding, or damage. Move seat through full range of motion and verify smooth operation without binding or unusual resistance.
2
Step 2: Locate seat track position sensor (typically mounted on seat rail mechanism) and inspect connector for corrosion, moisture, bent pins, or damage. Disconnect connector and inspect both male and female terminals.
3
Step 3: Using a digital multimeter, backprobe the seat track position sensor connector with ignition ON and measure voltage supply (typically 5V reference) and ground circuit. Verify proper power and ground at sensor connector per manufacturer specifications.
4
Step 4: Measure sensor signal voltage while manually moving seat through full range of travel. Signal should vary smoothly (typically 0.5V to 4.5V range). Erratic readings, dropout, or fixed voltage indicates sensor failure.
5
Step 5: Check resistance values across sensor terminals with connector disconnected and compare to specifications (if available). Typical potentiometer-type sensors should show smooth resistance change through range of motion.
6
Step 6: If sensor and wiring test good, suspect restraint control module fault. Clear codes, road test vehicle through multiple seat adjustments, and verify code returns. Replace faulty component and perform module calibration/initialization procedure per manufacturer requirements.
Estimated Repair Cost
$200 - $800
Parts + labor, varies by vehicle and location
This code indicates the Body Control Module (BCM) or Restraint Control Module (RCM) has detected a subfault in the passenger seat track position sensor. This sensor monitors the fore/aft position of the passenger seat to optimize airbag deployment timing and force. A subfault suggests an intermitten...
The most common cause of B00C5 (Passenger Seat Track Position Restraints Sensor (Subfault)) is: Faulty seat track position sensor or internal potentiometer failure
Typical repair costs for B00C5 range from $200 to $800, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Vehicle is generally safe to drive, but airbag deployment force and timing for the passenger may not be optimally calibrated based on seat position, potentially reducing effectiveness in a collision. Repair should be completed promptly to ensure proper restraint system function.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to B00C5 to identify the root cause.
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Quick Info
Category
Body
System
Supplemental Restraint System (SRS/Airbag)
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
