Code Definition

B1168 — No Signal in ABS

System: Body  |  Type: Manufacturer-Specific  |  Make: Volkswagen

About B1168

B1168 is a manufacturer-specific body diagnostic trouble code recorded for Volkswagen vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

B1168 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The Antilock Braking System (ABS) control module continuously monitors voltage pulse signals from the wheel speed sensors during vehicle movement to calculate individual wheel speeds for brake control, traction control, and stability functions. DTC B1168 is logged when the module detects no valid pulse input from one or more wheel speed sensor circuits for a specified duration, typically greater than 2 seconds while vehicle speed exceeds approximately 5 km/h, indicating a complete loss of sensor signal at that corner. Volkswagen typically uses active (hall effect) wheel speed sensors which req...

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