DTC 4E3-12-Level 2 Monitoring : Diagnosis fault check to report the
error to demand for an ICO due to an error in the PoI3 efficiency
factor
Control Module : ECU
Context:
The Engine Control Unit (ECU) A-9000 performs a diagnostic fault check for post injection 3. If the ECU A-9000
determines that there is a post injection 3 plausibility error, this fault will occur.
Solution:
1. Check the ECU A-9000 for the appropriate software and re-flash, if necessary.
A. If the fault has been resolved, return the machine to service.
B. If the fault has not been resolved, escalate an ASIST concern.
Electrical systems - FAULT CODES
47866583_ 02/12/2015
55.12 [55.DTC] / 239