P3460 Chrysler Code - Cylinder 8 Deactivation Control Circuit High
Quick Answer
The P3460 Chrysler code indicates an issue with the Cylinder 8 Deactivation Control Circuit being too high. Common causes include Faulty Cylinder 8 Deactivation Solenoid, Wiring issues or shorts in the control circuit, Defective Engine Control Module (ECM). 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
- P3460 Chrysler indicates Cylinder 8 Deactivation Control Circuit High.
- Common causes
- Common causes include Faulty Cylinder 8 Deactivation Solenoid, Wiring issues or shorts in the control circuit, Defective Engine Control Module (ECM).
- 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.
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Code P3460 Chrysler Description
The P3460 Chrysler code indicates an issue with the Cylinder 8 Deactivation Control Circuit being too high. This system is part of Chrysler's Multi-Displacement System (MDS), which allows the engine to deactivate cylinders to improve fuel efficiency during light load conditions. When Cylinder 8 is deactivated, the control circuit should operate within a specific voltage range. If the voltage is too high, it can lead to various performance issues and potentially cause long-term damage to the engine.
Common Causes of P3460 Chrysler
- Faulty Cylinder 8 Deactivation Solenoid
- Wiring issues or shorts in the control circuit
- Defective Engine Control Module (ECM)
- Low engine oil levels or poor oil quality
- Mechanical issues with Cylinder 8, such as worn-out components
Symptoms of P3460 Chrysler
- Decreased fuel efficiency
- Engine misfires or rough idle
- Loss of power during acceleration
- Illuminated check engine light
- Engine overheating
How to Fix P3460 Chrysler
- Begin by using a scan tool to verify the P3460 code and check for any other related codes.
- Inspect the wiring and connectors in the Cylinder 8 Deactivation Control Circuit for any damage or shorts. Repair or replace as needed.
- Test the Cylinder 8 Deactivation Solenoid for proper operation and replace if faulty.
- Check the engine oil level and quality, ensuring it meets manufacturer specifications. Top up or replace the oil if necessary.
- Clear the code from the ECM and perform a road test to confirm that the issue has been resolved.
Cost to Fix P3460 Chrysler
The typical repair cost for addressing a Cylinder 8 Deactivation Control Circuit High issue can vary depending on the specific cause of the problem. Parts such as a new Cylinder 8 Deactivation Solenoid or wiring harness can range from $100 to $300, while labor costs can add another $100 to $200. Overall, the total repair cost could be between $200 to $500. However, it's important to note that actual costs may differ based on factors like location, vehicle make and model, and the shop's labor rates. It's recommended to obtain quotes from local auto repair shops for a more accurate estimate.
Tech Notes for P3460 Chrysler
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