C1255
KrytycznyCode C1255 indicates an internal malfunction of the EBTCM (Electronic Brake and Traction Control Module) in the ABS/traction system. Most common in GM vehicles, such as the Chevrolet Corvette C5.
Code C1255 indicates an internal malfunction of the module responsible for ABS and traction control. This can signify a serious electronic problem – professional diagnosis is necessary to determine if the module can be repaired or needs replacement. Do not delay visiting a workshop to restore full brake system safety.
Symptoms
ABS warning light and Traction Control System (TCS) warning light illuminated. Complete loss of ABS, traction control, and electronic stability control may occur. In some cases, the brake system warning light or Check Engine light may also illuminate. Error messages on the dashboard may indicate a problem with the brake control module.
Possible causes
Internal electronic failure of the EBTCM module Damaged transistors or relays inside the module Corrosion or cold solder joints on the module's circuit board Voltage spike (e.g., during jump starting) Moisture ingress into the module housing Short circuit in the wiring harness connecting EBTCM to ABS sensors
Affected systems
Does code C1255 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.