P1359 Audi Code - Ignition Circuit Cylinder 2 Short to B+
Quick Answer
The Engine Control Module (ECM) must determine if a misfire is occurring and identify the specific cylinder(s) and the severity of the misfire event and whether it is emissions relevant or catalyst damaging. Common causes include Faulty Ignition Coil Cylinder 2, Ignition Coil Cylinder 2 harness is open or shorted, Ignition Coil Cylinder 2 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
- P1359 Audi indicates Ignition Circuit Cylinder 2 Short to B+.
- Common causes
- Common causes include Faulty Ignition Coil Cylinder 2, Ignition Coil Cylinder 2 harness is open or shorted, Ignition Coil Cylinder 2 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 P1359 Audi Description
The misfire/engine roughness calculation is derived from the differences in the period duration (T) of individual increment gear segments. Each segment period consists of an angular range of 120° crank angle that starts 78° before the Top Dead Center (TDC).
If the expected period duration is greater than the permissible value a misfire fault for the particular cylinder is stored in the fault memory of the ECM. Depending on the level of misfire rate measured the control unit will illuminate the "Service Engine Soon" light, may cut off fuel to the particular cylinder, and may switch lambda operation to open-loop. All misfire faults are weighted to determine if the misfire is emissions relevant or catalyst damaging.
What are the Possible Causes of the DTC P1359 Audi?
- Faulty Ignition Coil Cylinder 2
- Ignition Coil Cylinder 2 harness is open or shorted
- Ignition Coil Cylinder 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1359 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 P1359 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.
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Frequently Asked Questions about P1359 Audi Code
What does the OBD-II code P1359 mean on an Audi?
Code P1359 indicates "Ignition Circuit Cylinder 2 Short to B+", meaning there is an electrical issue in the ignition system for cylinder 2 where the circuit is shorted to the battery positive (B+).
What are the common symptoms of code P1359 in an Audi?
Symptoms may include engine misfires, rough idling, reduced power, poor fuel efficiency, and the Check Engine Light illuminating.
What causes code P1359 to occur in an Audi?
Common causes include damaged or shorted ignition coil wiring, a faulty ignition coil, a bad spark plug, or issues with the engine control module (ECM).
How can I diagnose code P1359 on my Audi?
Start by inspecting the ignition coil and wiring for cylinder 2 for damage, shorts, or corrosion. Use a multimeter to test the circuit and verify if the ignition coil is functioning correctly.
Can I drive my Audi with a P1359 code?
Driving with this code is not recommended, as it may cause further engine damage or decrease performance due to misfires in cylinder 2.
How do I fix code P1359 in an Audi?
Repair or replace damaged ignition coil wiring, install a new ignition coil for cylinder 2 if needed, and check the spark plug condition. Clear the code with a scan tool after repairs.
What tools do I need to fix code P1359?
You’ll need a diagnostic scan tool, multimeter, basic hand tools, and possibly replacement parts like an ignition coil or spark plug for cylinder 2.
Can a bad spark plug cause code P1359 in an Audi?
Yes, a faulty or worn spark plug can disrupt the ignition process and contribute to the circuit issue associated with code P1359.
Will replacing the ignition coil fix code P1359?
If the ignition coil for cylinder 2 is faulty, replacing it should resolve the issue. However, you should also inspect the wiring and spark plug to ensure no additional problems exist.
How can I prevent code P1359 from occurring again?
Regular maintenance, such as inspecting ignition system components, replacing spark plugs as recommended, and checking for damaged wiring, can help prevent this issue.
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