Code Definition

B1703 — Seat Driver Recline Forward Switch Circuit Short To Battery

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

About B1703

B1703 is a manufacturer-specific body diagnostic trouble code. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B1703 is stored, the module has detected a short-circuit (voltage pulled to ground or to supply) in the monitored circuit.

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.

B1703 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 Body Control Module (BCM) or Driver Seat Module monitors the driver seat recline forward switch input as part of the power seat adjustment system. DTC B1703 sets specifically when the module detects a short to battery voltage on the recline forward switch input, meaning the signal wire is being held at a high voltage level by an unintended connection to a power source. Most master seat switches are designed to pull a low side reference to ground when pressed, so a permanent high voltage on that wire is interpreted as a fault. When this code is set, the module typically ignores further inpu...

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