Disable Signal Short to Ground
B2484 — Disable Signal Short to Ground
System: Body | Type: Generic (OBD-II Standard) | Make: Generic
B2484 is a generic (obd-ii standard) body diagnostic trouble code. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.
When B2484 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.
Because B2484 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.
DTC B2484 indicates the receiving control module has detected a short to ground on its Disable Signal input wire. The Disable Signal is a digital input that instructs the module to inhibit a specific function, such as deactivating an output, suspending a feature, or signalling a forced shutdown to the controlled system. The module monitors the voltage on this input line and sets this code when the line reads as continuously grounded when it should be in an inactive (typically high or floating) state. When this code is set, the function may be permanently inhibited because the module believes i...
Detailed possible causes for B2484 are available to TaT members.
Unlock with Free TrialStep-by-step diagnostic guidance for B2484 is available to TaT members. Our Diagnostic Assistant provides professional-level troubleshooting procedures written by experienced technicians.
Unlock with Free Trial| Code | B2484 |
| System | Body |
| Type | Generic (OBD-II Standard) |
| Make | Generic |
| Causes | Available |
| Diag. Assistant | Available |
| Video | — |
Get complete diagnostic info, causes, and repair guidance.
Start Free 7-Day Trial Member LoginSearch all 8,602 fault codes with complete diagnostic details, possible causes, and repair guidance.
Start Your Free 7-Day Trial Member Login© 2026 The Automotive Technician (TaT) — www.tat.net.au