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.
2021 Mazda MX-5 Miata Club, Automatic TransFACTORY OEM SERVICE PROCEDURE
Headlight Auto Leveling Control Module DTCS
HEADLIGHT AUTO LEVELING CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC No. | Refer to |
|---|---|
| B1041:14 | (See DTC B1041:14 [AUTO LEVELING CONTROL MODULE] .) |
| B1D00:13 | (See DTC B1D00:13 [AUTO LEVELING CONTROL MODULE] .) |
| B1D01:13 | (See DTC B1D01:13 [AUTO LEVELING CONTROL MODULE] .) |
| C0061:54 | (See DTC C0061:54 [AUTO LEVELING CONTROL MODULE] .) |
| U0001:88 | (See DTC U0001:88/U0100:00/U0140:00/U0155:00 [AUTO LEVELING CONTROL MODULE] .) |
| U0100:00 | |
| U0140:00 | |
| U0155:00 | |
| U0423:68 | (See DTC U0423:68 [AUTO LEVELING CONTROL MODULE] .) |
| U2005:86 | (See DTC U2005:86 [AUTO LEVELING CONTROL MODULE] .) |
| U2300:54 | (See DTC U2300:54 [AUTO LEVELING CONTROL MODULE] .) |
| U2300:55 | (See DTC U2300:55 [AUTO LEVELING CONTROL MODULE] .) |
| U2300:56 | (See DTC U2300:56 [AUTO LEVELING CONTROL MODULE] .) |
| U3000:42 | (See DTC U3000:42 [AUTO LEVELING CONTROL MODULE] .) |
| U3000:49 | (See DTC U3000:49 [AUTO LEVELING CONTROL MODULE] .) |
| U3003:16 | (See DTC U3003:16 [AUTO LEVELING CONTROL MODULE] .) |
| U3003:17 | (See DTC U3003:17 [AUTO LEVELING CONTROL MODULE] .) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.