P1355 Volkswagen Code - Cylinder 1 Ignition Activation Circuit Open
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 1, Ignition Coil Cylinder 1 harness is open or shorted, Ignition Coil Cylinder 1 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
- P1355 Volkswagen indicates Cylinder 1 Ignition Activation Circuit Open.
- Common causes
- Common causes include Faulty Ignition Coil Cylinder 1, Ignition Coil Cylinder 1 harness is open or shorted, Ignition Coil Cylinder 1 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 P1355 Volkswagen 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 P1355 Volkswagen?
- Faulty Ignition Coil Cylinder 1
- Ignition Coil Cylinder 1 harness is open or shorted
- Ignition Coil Cylinder 1 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1355 Volkswagen?
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.
Code Tech Notes
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1355 Volkswagen 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 P1355 Volkswagen Code
1. What are the common symptoms of OBDII code P1355 in a Volkswagen related to the Cylinder 1 Ignition Activation Circuit Open?
- Common symptoms include rough idling, engine misfires, loss of power, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P1355 in a Volkswagen indicating a Cylinder 1 Ignition Activation Circuit Open?
- Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition system, or a malfunctioning Engine Control Module (ECM).
3. How can I diagnose the Cylinder 1 Ignition Activation Circuit Open issue triggering OBDII code P1355 in my Volkswagen?
- Use a diagnostic scanner to retrieve the trouble code, inspect the ignition coil, test the wiring and connectors for continuity, and check the ECM for proper functioning.
4. Can driving with the OBDII code P1355 (Cylinder 1 Ignition Activation Circuit Open) in my Volkswagen cause further damage?
- Continuing to drive with this issue can potentially cause damage to the catalytic converter due to unburnt fuel entering the exhaust system.
5. What are some repair tips for resolving OBDII code P1355 in a Volkswagen related to the Cylinder 1 Ignition Activation Circuit Open?
- Start by checking and replacing the ignition coil if necessary, inspect and repair any damaged wiring or connectors, and reset the ECM to see if the code returns.
6. Is it safe to continue driving my Volkswagen with OBDII code P1355 indicating a Cylinder 1 Ignition Activation Circuit Open?
- It is not recommended to drive the vehicle extensively with this issue as it can lead to poor engine performance and potential damage to other components.
7. How much does it typically cost to repair OBDII code P1355 for a Cylinder 1 Ignition Activation Circuit Open in a Volkswagen?
- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
8. Can I reset the Check Engine Light caused by OBDII code P1355 (Cylinder 1 Ignition Activation Circuit Open) in my Volkswagen by disconnecting the battery?
- While disconnecting the battery can temporarily reset the Check Engine Light, it is not a recommended method as the underlying issue causing the code will remain unresolved.
9. Will fixing OBDII code P1355 (Cylinder 1 Ignition Activation Circuit Open) in my Volkswagen improve fuel efficiency?
- Yes, addressing this issue can help improve fuel efficiency as it ensures proper ignition and combustion processes in the engine.
10. How long does it typically take to repair OBDII code P1355 (Cylinder 1 Ignition Activation Circuit Open) in a Volkswagen at a professional repair shop?
- The repair time can vary depending on the exact cause of the issue and the shop's workload, but it may take anywhere from 1 to 3 hours to diagnose and fix the problem.
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