Audi DTC P1346 – Ignition Coil Power Output Stage 3 Short to B+
DTC P1346 meaning on Audi
DTC P1346 on an Audi indicates a fault with the ignition coil power output stage 3, specifically a short to B+ (battery positive). This means that there is an electrical issue causing the ignition coil to receive constant power, which can lead to misfires and other engine performance issues.
Audi DTC P1346 symptoms
Symptoms of DTC P1346 on an Audi may include engine misfires, rough idling, loss of power, hesitation during acceleration, and in some cases, the Check Engine Light may illuminate on the dashboard.
Audi DTC P1346 causes
The most common causes of DTC P1346 on an Audi are a faulty ignition coil, damaged wiring or connectors leading to the ignition coil, or a problem with the Engine Control Module (ECM).
Audi DTC P1346 seriousness
Ignoring DTC P1346 on an Audi can lead to poor engine performance, reduced fuel efficiency, and potential damage to other engine components over time. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P1346 on Audi
To diagnose DTC P1346 on an Audi, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the ECM. They would then inspect the ignition coil, wiring, and connectors for any visible damage or signs of a short circuit. Testing the ignition coil and related components with a multimeter may also be necessary to pinpoint the exact cause of the issue.
How to fix DTC P1346 on Audi
Fixing DTC P1346 on an Audi usually involves replacing the faulty ignition coil, repairing any damaged wiring or connectors, or addressing any issues with the ECM. Once the root cause of the problem is identified and resolved, the fault codes can be cleared, and the vehicle can be tested to ensure that the issue has been successfully resolved.
How to erase DTC P1346 on Audi
To erase DTC P1346 on an Audi, a diagnostic scanner can be used to clear the fault codes stored in the ECM. After the repair has been completed and the underlying issue has been resolved, the fault codes can be cleared to reset the Check Engine Light and ensure that the vehicle’s onboard computer no longer detects the fault.
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