DTC B1981: Description
DTC B1981 indicates IPC measures engine speed greater than 1500 RPM and voltage at IPC connector C1 terminals A1 and B1 is less than 10 volts.
DTC B1981 indicates IPC measures engine speed greater than 1500 RPM and voltage at IPC connector C1 terminals A1 and B1 is less than 10 volts.