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.
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HOMESERVICE MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXAFS (ADAPTIVE FRONT LIGHTING) SYSTEM DTCS
2011 Mazda 3 Mazdaspeed, 2.3 3
AFS (Adaptive Front Lighting) System DTCS
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION AFS (Adaptive Front Lighting) System DTCS
AFS (ADAPTIVE FRONT LIGHTING SYSTEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC No. | Description | Reference |
|---|---|---|
| B1041:54 | Auto leveling system initialization error | (See DTC B1041:54 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| B1043:01 | Front auto leveling sensor circuit malfunction | (See DTC B1043:01 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| B1044:01 | Rear auto leveling sensor circuit malfunction | (See DTC B1044:01 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| B10A3:86 | Swivel actuator (LH) signal malfunction | (See DTC B10A3:86 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| B10A3:87 | Communication error with swivel actuator (LH) | (See DTC B10A3:87 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| B10A4:86 | Swivel actuator (RH) signal malfunction | (See DTC B10A4:86 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| B10A4:87 | Communication error with swivel actuator (RH) | (See DTC B10A4:87 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| C1B00:54 | Communication error with steering angle sensor | (See DTC C1B00:54 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| U0001:88 | AFS control module communication error (HS-CAN) | (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] ). |
| U0100:00 | Communication error with PCM | |
| U0140:00 | Communication error with BCM | |
| U0401:00 | Communication error with PCM | (See DTC U0401:00 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| U0422:00 | Communication error with BCM | (See DTC U0422:00 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| U3000:49 | AFS control module internal malfunction | (See DTC U3000:49 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| U3003:16 | Low power supply circuit voltage | (See DTC U3003:16 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
| U3003:17 | High power supply circuit voltage | (See DTC U3003:17 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)] ). |
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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.