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 INDEXAUTO LIGHT/WIPER CONTROL MODULE DTCS
2011 Mazda 3 Mazdaspeed, 2.3 3
Auto Light/Wiper Control Module DTCS
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Auto Light/Wiper Control Module DTCS
AUTO LIGHT/WIPER CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Reference |
|---|---|---|
| B1014 | Rain sensor/auto light sensor malfunction | (See DTC B1014 [AUTO LIGHT/WIPER CONTROL MODULE] ). |
| B1317 | High voltage of battery power supply | (See DTC B1317 [AUTO LIGHT/WIPER CONTROL MODULE] ). |
| B1318 | Low voltage of battery power supply | (See DTC B1318 [AUTO LIGHT/WIPER CONTROL MODULE] ). |
| B1342 | Auto light/wiper control module malfunction | (See DTC B1342 [AUTO LIGHT/WIPER CONTROL MODULE] ). |
| U2030 | Rain sensor/auto light sensor communication fault | (See DTC U2030 [AUTO LIGHT/WIPER CONTROL MODULE] ). |
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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.