FixVault

DTC B2271 Ignition Hold Monitor Malfunction: Description

This DTC is output when the IG output circuits inside the main body ECU are open or shorted.

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Condition Trouble Area
B2271 D-IG1 relay actuation circuit or IG2 relay actuation circuit inside main body ECU is abnormal
  • Main body ECU
  • AM2 fuse
  • Harness or connector