Code Definition

C1775 — DC-DC Converter Failure

System: Chassis  |  Type: Manufacturer-Specific  |  Make: Ford

About C1775

C1775 is a manufacturer-specific chassis diagnostic trouble code recorded for Ford vehicles. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

Scanning & clearing: Chassis (C) codes are stored in the ABS, traction control, or stability-control modules. An enhanced or OEM-level scan tool is usually required to read and clear them.

C1775 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

DTC C1775 is set when the Antilock Brake System (ABS) control module detects a failure of the DC to DC converter, the unit that steps the hybrid high voltage battery supply down to the 12 volt level used by the vehicle's accessories and control modules. On hybrid applications such as the Ford Escape Hybrid, the ABS module monitors converter output as part of its power supply diagnostics because stable 12 volt power is critical to brake system operation. The code sets when converter output voltage falls outside factory specifications or the converter stops responding. When this code is set, the...

Join TaT to view the complete code information and diagnostic details.

Quick Facts