Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Ford Mustang Base, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE
Body Control Module B (BCM-B)
BODY CONTROL MODULE B (BCM-B) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1267:11 | Convertible/Folding Top Activation Up Switch: Circuit Short to Ground | GO to PINPOINT TEST A . |
| B1268:11 | Convertible/Folding Top Activation Down Switch: Circuit Short to Ground | GO to PINPOINT TEST A . |
| B1269: 11 | Convertible/Folding Top Fully Up Position Switch: Circuit Short to Ground | REFER to WINDOWS & GLASS - GLASS, FRAMES & MECHANISMS article. |
| B126D: 15 | Convertible/Folding Top Fully Down Position Switch: Circuit Short to Battery or Open | REFER to WINDOWS & GLASS - GLASS, FRAMES & MECHANISMS article. |
| B126E:23 | Right Rear Window Fully Down Feedback: Signal Stuck Low | CLEAR the DTCs. TEST the system for normal operation. REPEAT the self-test. If DTC B126E: 23 returns, GO to PINPOINT TEST A . |
| B126E:24 | Right Rear Window Fully Down Feedback: Signal Stuck High | CLEAR the DTCs. TEST the system for normal operation. REPEAT the self-test. If DTC B126E: 24 returns, GO to PINPOINT TEST A . |
| B126F:23 | Left Rear Window Fully Down Feedback: Signal Stuck Low | CLEAR the DTCs. TEST the system for normal operation. REPEAT the self-test. If DTC B126F: 23 returns, GO to PINPOINT TEST A . |
| B126F:24 | Left Rear Window Fully Down Feedback: Signal Stuck High | CLEAR the DTCs. TEST the system for normal operation. REPEAT the self-test. If DTC B126F: 24 returns, GO to PINPOINT TEST A . |
| B1278:12 | Convertible/Foldable Top Up Relay: Circuit Short to Battery | GO to PINPOINT TEST A . |
| B1278:14 | Convertible/Foldable Top Up Relay: Circuit Short to Ground or Open | GO to PINPOINT TEST A . |
| B1279:12 | Convertible/Foldable Top Down Relay: Circuit Short to Battery | GO to PINPOINT TEST A . |
| B1279:14 | Convertible/Foldable Top Down Relay: Circuit Short to Ground or Open | GO to PINPOINT TEST A . |
| B127A: 12 | Global Window Control: Circuit Short to Battery | REFER to WINDOWS & GLASS - GLASS, FRAMES & MECHANISMS article. |
| B127A: 14 | Global Window Control: Circuit Short to Ground or Open | REFER to WINDOWS & GLASS - GLASS, FRAMES & MECHANISMS article. |
| All Other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULE article. |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.