garajizOBD-II code · manufacturer-specific
B1000
HRA Headlamp range adjustment: Supply voltage of the control unit is too low (undervoltage)
- System
- B — Body electronics
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does B1000 mean?
B1000 is defined as “HRA Headlamp range adjustment: Supply voltage of the control unit is too low (undervoltage)”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Mercedes: HRA Headlamp range adjustment: Supply voltage of the control unit is too low (undervoltage)
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This page is general information; an exact diagnosis needs measurements and a technician’s check.