What does code P1319 mean?

Q: What does code P1319 mean?

Knock Sensor 1 Circuit Short To Ground. P1319 on a Volkswagen indicates that the engine control module (ECM) has detected a short to ground on the signal circuit of knock sensor 1, which is typically located on the engine block. The ECM monitors the knock sensor circuit for abnormal voltage levels; a short to ground pulls the signal below the expected range, preventing the ECM from detecting engine knock and adjusting ignition timing accordingly.

DTC codes / Volkswagen codes / P1319

P1319 · VolkswagenKnock Sensor 1 Circuit Short To Ground

P1319 on a Volkswagen indicates that the engine control module (ECM) has detected a short to ground on the signal circuit of knock sensor 1, which is typically located on the engine block. The ECM monitors the knock sensor circuit for abnormal voltage levels; a short to ground pulls the signal below the expected range, preventing the ECM from detecting engine knock and adjusting ignition timing accordingly.

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.