BCMB DTC Chart
DTC | Description | Action |
|---|---|---|
P2533:14 | Ignition Switch Run/Start Position Circuit: Circuit Short to Ground or Open | GO to Pinpoint Test G |
All other Diagnostic Trouble Codes (DTCs) | - | REFER to: Body Control Module B (BCMB) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
Symptom Chart
Symptom Chart: Steering Column Switches
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Symptom Chart
Condition | Possible Causes | Actions |
|---|---|---|
No power in ON | Refer to the Pinpoint Test | GO to Pinpoint Test A |
Key not detected displays in the message center | Refer to the Pinpoint Test | REFER to: Passive Anti-Theft System (PATS) (419-01B Passive Anti-Theft System (PATS), Diagnosis and Testing). |
The ignition mode indicator is inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test B |
The ignition mode indicator is always on | Refer to the Pinpoint Test | GO to Pinpoint Test C |
The steering column is always or never locked | Refer to the Pinpoint Test | GO to Pinpoint Test D |
Pinpoint Tests
No Power in ON
Refer to Wiring Diagrams Cell 13 for schematic and connector information.
Refer to Wiring Diagrams Cell 20 for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Steering Wheel and Column Electrical Components - System Operation and Component Description (211-05 Steering Wheel and Column Electrical Components, Description and Operation).
When in ON mode, the BCM activates the integral run/start relay which distributes fused voltage to various components.
The integral run/start relay in the BCM receives voltage from the BCM fuse 34 (30A).
BCM DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
|---|---|---|
B108A:01 Start Button: General Electrical Failure | Sets continuous when the BCM detects a fault from one of the ignition switch input circuits. | |
B108A:24 Start Button: Signal Stuck High | Sets continuous when the BCM detects a short to voltage from one of the ignition switch input circuits. | |
B1142:29 | Ignition Status 1: Signal Invalid | Sets during the on-demand self-test when the BCM detects a fault from one of the ignition switch input circuits. |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.