What does code P1339 mean?

Q: What does code P1339 mean?

Crankshaft Position Engine Speed Sensor Cross Connected. P1339 on Volkswagen vehicles indicates that the engine control module (ECM) has detected a cross-connection between the crankshaft position sensor and another sensor circuit, typically the camshaft position sensor. This means the ECM is receiving engine speed signals on the wrong input, which can disrupt ignition timing and fuel delivery.

DTC codes / Volkswagen codes / P1339

P1339 · VolkswagenCrankshaft Position Engine Speed Sensor Cross Connected

P1339 on Volkswagen vehicles indicates that the engine control module (ECM) has detected a cross-connection between the crankshaft position sensor and another sensor circuit, typically the camshaft position sensor. This means the ECM is receiving engine speed signals on the wrong input, which can disrupt ignition timing and fuel delivery.

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.