P1346 Audi Code - Ignition Coil Output Stage 3 Short To B+
Quick Answer
P1346 Audi indicates Ignition Coil Output Stage 3 Short To B+. Common causes include Faulty Ignition Coil, Ignition Coil harness is open or shorted, Ignition Coil 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
- P1346 Audi indicates Ignition Coil Output Stage 3 Short To B+.
- Common causes
- Common causes include Faulty Ignition Coil, Ignition Coil harness is open or shorted, Ignition Coil 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 P1346 Audi Description
What are the Possible Causes of the DTC P1346 Audi?
- Faulty Ignition Coil
- Ignition Coil harness is open or shorted
- Ignition Coil circuit poor electrical connection
How to Fix the DTC P1346 Audi?
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 P1346 Audi 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.
Need more information about the P1346 Audi code?
Need more information on how to fix the P1346 Audi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1346 Audi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1346 Audi Code
What does the OBDII code P1346 mean for an Audi?
Code P1346 indicates "Ignition Coil Output Stage 3 Short To B+," meaning there is an electrical issue involving the ignition coil on cylinder 3, specifically a short circuit to battery power.
What are the common symptoms of code P1346 in an Audi?
Symptoms may include engine misfires, rough idling, reduced power, the check engine light being illuminated, and potential hesitation during acceleration.
What causes code P1346 to appear in an Audi?
Typical causes include a faulty ignition coil, damaged wiring or connectors, a short circuit, or issues with the Engine Control Module (ECM).
Can driving with code P1346 damage my Audi?
Yes, driving with this code can lead to further engine damage, reduced performance, and increased fuel consumption due to ongoing misfires.
How do I diagnose code P1346 in an Audi?
Diagnose by inspecting the ignition coil and wiring for damage, testing the coil with a multimeter, and checking for shorts or corrosion in connectors.
What tools are needed to fix code P1346?
You may need a multimeter, OBDII scanner, wiring diagrams, and basic hand tools like screwdrivers and wrenches to inspect and replace faulty components.
Should I replace the ignition coil if code P1346 appears?
Replacing the ignition coil is often necessary if it's faulty, but ensure you first inspect the wiring and connectors to rule out other issues.
Can code P1346 be caused by a faulty ECM?
While less common, a malfunctioning ECM can cause this code if it fails to properly control the ignition coil output stage.
How much does it cost to repair code P1346 in an Audi?
Repair costs vary but may range from $150 to $400, depending on whether you need to replace the ignition coil, repair wiring, or address ECM issues.
Can I fix code P1346 myself on an Audi?
Yes, if you have basic automotive knowledge and tools, you may be able to inspect and replace the ignition coil or repair wiring issues yourself.
Discuss the causes and fixes for P1346 Audi OBDII Code
Code P1346 Audi comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
