Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3242 FMI 4 (ACM) Diesel Oxidation Catalyst Inlet Temperature Sensor Failed Low

NOTE: Please see the step by step troubleshooting procedures for this specific code.

PROBABLE CAUSES:
1. DOC inlet temperature sensor.
2. DOC inlet temperature sensor connector/harness.
3. Aftertreatment harness connectors.