Code Definition

C1464 — Pressure Transducer Redundant / Secondary Signal Faulted

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

About C1464

C1464 is a manufacturer-specific chassis diagnostic trouble code. 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.

C1464 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 C1464 fault code indicates the ABS or stability control module has detected a faulted signal from the redundant or secondary brake pressure transducer. Where C1289 covers a general input circuit failure including electrical opens or shorts, C1464 specifically flags that the secondary transducer signal itself is faulted, meaning the module is receiving a signal but it has failed plausibility, rationality, or stuck signal checks against the primary transducer. The secondary pressure transducer provides cross check redundancy for stability control and ABS calculations. When this code is activ...

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