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DTC codes / Volkswagen codes / P1343

P1343 · VolkswagenIgnition Coil Output Stage 2 Short To Ground

P1343 on a Volkswagen means the engine control module (ECM) has detected a short to ground on the output circuit that fires ignition coil number 2. The ECM commands the coil to spark by grounding its control wire, and it monitors the circuit for abnormal current flow; this code sets when the circuit stays grounded when it should not, preventing reliable coil operation.

SystemPowertrain
Code typeVolkswagen specific
SeverityMedium
Fix difficultyIntermediate
AreaIgnition system and misfire

Guidance is general and written for Volkswagen vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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