B2579 Dodge Code - Convertible Top Switch Circuit Performance
Quick Answer
The Convertible Top is fairly typical of convertible tops. Common causes include Faulty Convertible Top Switch, Convertible Top Switch harness is open or shorted, Convertible Top Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B2579 Dodge indicates Convertible Top Switch Circuit Performance.
- Common causes
- Common causes include Faulty Convertible Top Switch, Convertible Top Switch harness is open or shorted, Convertible Top Switch circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B2579 Dodge Description
1. Performance - These are time out DTCs, meaning the system timed out waiting for the next switch in sequence to change state. When the PTCM does not get the state change in the expected amount of time, it assumes something may be wrong and stops any further top operation in that direction. Typically the pump will run for 10 second before it times out.
2. Circuit Low - These DTCs set for a circuit that stays active at all times, meaning the signal circuit to the specified switch is continuously grounded. This could relate to a short to ground on the signal circuit, a sticking switch, or even a mechanical issue not allowing the switch to become inactive.
3. Correlation - These DTCs specifically relate two switches in a subcomponent (deck lid, tonneau drive, header latch, etc.) of the convertible top system. Both of the specified switches will be active in one position of the subcomponent (extended, retracted, open, closed, etc.). The switch that will not change state while attempting to operate the convertible top system, is the most likely area for attention.
What are the Possible Causes of the DTC B2579 Dodge?
- Faulty Convertible Top Switch
- Convertible Top Switch harness is open or shorted
- Convertible Top Switch circuit poor electrical connection
- Faulty Power Top Control Module (PTCM)
How to Fix the DTC B2579 Dodge?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2579 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B2579 Dodge Code
1. What does OBDII code B2579 mean on a Dodge vehicle?
B2579 indicates an issue with the convertible top switch circuit performance, meaning the system is detecting abnormal or inconsistent signals from the convertible top switch.
2. What are the symptoms of code B2579 in a Dodge?
Common symptoms include the convertible top not opening or closing, intermittent operation, or the convertible top switch being unresponsive.
3. What causes the B2579 code in Dodge vehicles?
This code can be caused by a faulty convertible top switch, damaged wiring, poor electrical connections, or a malfunctioning control module.
4. How do I diagnose the B2579 code?
Start by checking the convertible top switch for visible damage, inspect the wiring and connectors for corrosion or wear, and use a multimeter to test the circuit for proper voltage and continuity.
5. Can a blown fuse trigger the B2579 code?
Yes, a blown fuse in the convertible top circuit can interrupt the electrical flow and trigger this code.
6. Is it safe to drive with the B2579 code?
Yes, it is generally safe to drive, but the convertible top may not function properly until the issue is resolved.
7. How can I fix the B2579 code on my Dodge?
Repairs may include replacing the convertible top switch, repairing damaged wiring, cleaning or reconnecting corroded terminals, or updating/replacing the control module if necessary.
8. How much does it cost to repair code B2579?
The cost depends on the root cause, but replacing a convertible top switch typically ranges from $100 to $300, while wiring repairs may cost less.
9. Can I clear the B2579 code without fixing the issue?
You can clear the code with an OBDII scanner, but if the issue is not resolved, the code will likely return.
10. What tools are needed to troubleshoot the B2579 code?
Common tools include an OBDII scanner, multimeter, and basic hand tools for inspecting and repairing electrical components.
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