What does code P1274 mean?

Q: What does code P1274 mean?

Cylinder 4 High To Low Side Open. P1274 on Ford vehicles means the powertrain control module (PCM) has detected an open circuit between the high and low sides of the fuel injector circuit for cylinder 4. The PCM commands the injector on and monitors the current flow; when the expected current does not rise or falls outside the normal window, it flags the circuit as open and stores this code.

DTC codes / Ford codes / P1274

P1274 · FordCylinder 4 High To Low Side Open

P1274 on Ford vehicles means the powertrain control module (PCM) has detected an open circuit between the high and low sides of the fuel injector circuit for cylinder 4. The PCM commands the injector on and monitors the current flow; when the expected current does not rise or falls outside the normal window, it flags the circuit as open and stores this code.

SystemPowertrain

Code typeFord specific

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering (injector circuits)

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