B1584
Dim Panel Decrease Input Circuit Open
B1584 is an OBD-II diagnostic trouble code meaning: Dim Panel Decrease Input Circuit Open. Common causes: open in the wiring harness of the dimming control circuit, short circuit in the circuit. Estimated repair cost: $22–111.
Symptoms
- The instrument panel does not respond to brightness adjustments
- The instrument panel backlight only works at maximum brightness
- Flashing or uneven instrument lighting
Causes
- Open in the wiring harness of the dimming control circuit
- Short circuit in the circuit
- Malfunction of the instrument panel control unit
- Oxidation of contacts in connectors
- Damage to the brightness buttons
How to Fix
- Check the continuity of the wiring harness in the dimming control circuit.
- Inspect and clean the contacts in the connectors of the control unit and adjustment buttons
- Check the operation of the brightness adjustment buttons
- Test the instrument panel control unit for internal faults
- If necessary, replace damaged components or the entire control unit
Related codes
FAQ
What does the B1584 code mean?
B1584 is an OBD-II diagnostic trouble code that indicates: Dim Panel Decrease Input Circuit Open
What causes a B1584 error code?
The most common causes of B1584 include: Open in the wiring harness of the dimming control circuit; Short circuit in the circuit; Malfunction of the instrument panel control unit; Oxidation of contacts in connectors.
How do I fix a B1584 diagnostic trouble code?
To fix B1584: Check the continuity of the wiring harness in the dimming control circuit.. Inspect and clean the contacts in the connectors of the control unit and adjustment buttons. Check the operation of the brightness adjustment buttons. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1584?
Limited driving only, diagnose soon
How much does it cost to fix B1584?
The estimated repair cost for B1584 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat