OBDII Code List

C1251 BUICK - Road-Sensing Suspension Indicated Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Indicates that there are no problems in the ABS/TCS system

Tech notes

This Diagnostic Trouble Code (DTC) is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS/TCS system.

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1251 Buick Description

The Continuously Variable Road-Sensing Suspension (CVRSS) calculates normal force and transmits a signal to the Electronic Brake Control Module (EBCM) via two dedicated data lines, one right, and one left. The EBCM supplies the pull up voltage. The EBCM uses this information to detect rough road conditions and allows for more aggressive braking on rough surfaces.
OBDII Code C1251 Buick - Road-Sensing Suspension Indicated Malfunction -

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