📖 What Does B0789 Mean?
Symptoms
- • Dim or failed headlights
- • intermittent headlight operation
- • or a warning light on the dashboard.
Common Causes
- • Faulty headlight relay
- • blown headlight fuse
- • corroded or damaged wiring
- • or a malfunctioning headlight module.
Possible Solutions
1. Check the headlight relay and replace it if faulty. 2. Inspect the headlight fuse and replace it if blown. 3. Inspect and clean the wiring and connectors. 4. Test the headlight module and replace it if faulty.
Fixing this on your car?
Get the exact oil type, fluid capacities, and torque specs for your specific vehicle before you start the repair.
❓ Common Questions About B0789
Can I drive with code B0789?
You can drive for a short time, but should address code B0789 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix B0789?
The estimated repair cost for code B0789 is between $50 and $200. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
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View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with B0789
B0787: Power Window Motor Control Circuit Malfunction
B0788: Seat Position Sensor Circuit Malfunction
B0790: Body System Security Malfunction
B0791: Audio System Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system