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AutoCodes - Generic - B1579

B1579 Code - Dim Panel Increase Input Circuit Failure

- Code Popularity: 6,688 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Oct 08, 2022
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|Code B1579 Possible Causes

  • Faulty Map Light Assembly
  • Faulty Telephone Microphone Assembly
  • Telephone Microphone Assembly harness is open or shorted
  • Telephone Microphone Assembly circuit poor electrical connection
  • Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly)

|How do I Fix the Code B1579?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1579?

Labor: 1.0

The cost of diagnosing the B1579 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B1579 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code B1579 Description

The Radio and Display Receiver Assembly (or Navigation Receiver Assembly) and Telephone Microphone Assembly are connected to each other using the microphone connection detection signal lines. This Diagnostic Trouble Code (DTC) is stored when a microphone connection detection signal line is disconnected.

OBDII Code B1579 - Dim Panel Increase Input Circuit Failure -
B1579 Code - Dim Panel Increase Input Circuit Failure

|Need More Information on the B1579 Code?

Need more information on how to fix the B1579 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B1579 Code?

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|Code B1579 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1579 code? Have you replaced any parts?
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