What Does P3461 Mean?
The PCM has detected an open circuit in the cylinder 8 exhaust valve control system. This indicates a break in electrical continuity in the wiring or exhaust valve control solenoid circuit for cylinder 8 deactivation.
Common Causes
35%
Broken or disconnected wiring to cylinder 8 exhaust valve control solenoid
30%
Failed exhaust valve control solenoid on cylinder 8
20%
Corroded or damaged connector terminals at exhaust valve solenoid
10%
Blown fuse in valve control circuit power supply
5%
PCM internal driver circuit failure for cylinder 8 exhaust valve control
Diagnostic Steps
1
Step 1: Visually inspect electrical connector and wiring harness to cylinder 8 exhaust valve control solenoid for damage or disconnection
2
Step 2: Measure resistance across cylinder 8 exhaust valve control solenoid terminals (should be 10-30 ohms typically); infinite resistance confirms open circuit
3
Step 3: Verify power supply to solenoid connector with key on (should have battery voltage)
4
Step 4: Check continuity from PCM connector to solenoid connector on control signal wire using multimeter
5
Step 5: If circuits are intact, perform PCM power and ground verification, then consider PCM replacement if all else tests good
Estimated Repair Cost
$150 - $800
Parts + labor, varies by vehicle and location
The PCM has detected an open circuit in the cylinder 8 exhaust valve control system. This indicates a break in electrical continuity in the wiring or exhaust valve control solenoid circuit for cylinder 8 deactivation.
The most common cause of P3461 (Cylinder 8 Exhaust Valve Control Circuit/Open) is: Broken or disconnected wiring to cylinder 8 exhaust valve control solenoid
Typical repair costs for P3461 range from $150 to $800, depending on the vehicle, location, and whether you do it yourself or go to a shop.
No immediate safety concerns; vehicle is drivable. Fuel efficiency will be reduced and engine may run slightly rough when attempting cylinder deactivation.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P3461 to identify the root cause.
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Quick Info
Category
Powertrain
System
Variable Valve Timing/Cylinder Deactivation System
Difficulty
Type
Generic (SAE)
Recommended Tools
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