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Code P3446

Quick reference

P3446 at a glance

Plain-language meaning
This code means there's a problem with how the car is controlling the exhaust valve for cylinder number 6. It's like if a door in your house isn't opening or closing properly.
Urgency
Moderate – It's advisable to address this issue soon to avoid potential engine damage.
Difficulty
Moderate
System
Engine Performance
Tools mentioned
OBD-II scanner, Multimeter, Socket set

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means there's a problem with how the car is controlling the exhaust valve for cylinder number 6. It's like if a door in your house isn't opening or closing properly.

Explanation

The car's computer has detected a problem with the way the exhaust valve for cylinder 6 is being controlled. This could be due to electrical issues or mechanical problems.

Technical description

P3446 indicates that the Powertrain Control Module (PCM) has detected an issue with the performance of the exhaust valve control circuit for cylinder 6. This could be due to a malfunction in the Variable Valve Timing (VVT) system, a faulty solenoid, or wiring issues.

Symptoms

• Check Engine Light is on

• Reduced engine performance

• Poor fuel economy

Common Causes

• Faulty exhaust valve control solenoid

• Wiring issues in the control circuit

• PCM malfunction

Glossary

PCM: Powertrain Control Module

VVT: Variable Valve Timing

Diagnosis steps

• Use an OBD-II scanner to confirm the code

• Inspect the wiring and connectors for cylinder 6

• Test the exhaust valve control solenoid

Repair procedures

• Replace faulty solenoid

• Repair or replace damaged wiring

• Reprogram or replace the PCM if necessary

Tools required

• OBD-II scanner

• Multimeter

• Socket set

Estimated repair cost

$150 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Chrysler 300

• Dodge Charger

• Jeep Grand Cherokee

Preventive measures

• Regular maintenance checks

• Timely oil changes

• Inspect electrical connections periodically

Error code type

Engine Performance

User experience recommendations

• Avoid driving aggressively until the issue is fixed

• Have the vehicle inspected by a professional mechanic

Warranty information

Check with the vehicle manufacturer for warranty coverage on engine components.

Historical data

This code is often associated with vehicles equipped with Variable Valve Timing (VVT) systems, which have been used in many models since the early 2000s.

Urgency level

Moderate – It's advisable to address this issue soon to avoid potential engine damage.

Testing conditions

• Engine at operating temperature

• Vehicle in a safe, stationary position

Component location

The exhaust valve control solenoid for cylinder 6 is typically located on or near the engine block, close to the cylinder head.

FAQs

Q: Can I drive with a P3446 code?
A: It's possible to drive for a short time, but it's not recommended as it may cause further damage.

Q: How can I reset the P3446 code?
A: You can reset the code with an OBD-II scanner, but it's important to fix the underlying issue first.

Optional diagnostic gear

Tools that may help diagnose P3446

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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