B1609
Illuminated Entry Input Short Circuit To Battery
B1609 is an OBD-II diagnostic trouble code meaning: Illuminated Entry Input Short Circuit To Battery. Common causes: wiring harness damage, backlight relay malfunction. Estimated repair cost: $56–167.
Symptoms
- Always-on input light
- Low battery
- Blown fuses
Causes
- Wiring harness damage
- Backlight relay malfunction
- Problems with the control unit
- Short circuit in the backlight circuit
How to Fix
- Check the condition of the wiring harness in the input lighting area
- Check the relays and fuses of the backlight circuit
- Diagnose the control unit for faults
- Replace damaged components
Related codes
FAQ
What does the B1609 code mean?
B1609 is an OBD-II diagnostic trouble code that indicates: Illuminated Entry Input Short Circuit To Battery
What causes a B1609 error code?
The most common causes of B1609 include: Wiring harness damage; Backlight relay malfunction; Problems with the control unit; Short circuit in the backlight circuit.
How do I fix a B1609 diagnostic trouble code?
To fix B1609: Check the condition of the wiring harness in the input lighting area. Check the relays and fuses of the backlight circuit. Diagnose the control unit for faults. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1609?
Limited driving only, diagnose soon
How much does it cost to fix B1609?
The estimated repair cost for B1609 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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