Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3242 FMI 8 (ACM) Diesel Oxidation Catalyst Inlet Temperature - Signal Spike

NOTE: This fault indicates the aftertreatment control module (ACM) has detected no temperature shift on the diesel oxidation catalyst (DOC) inlet temperature sensor . The most likely cause is an intermittent wiring concern (poor terminal fit, corrosion, chaffing etc.)

NOTE: If codes 3242-3 or 3242-4 active, fix those first.

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

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3242 FMI 7 (ACM) Diesel Oxidation Catalyst Inlet Temperature - Signal Not Responding

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

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3242 FMI 3 (ACM) Diesel Oxidation Catalyst Inlet Temperature Sensor Circuit Failed High

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 3238 FMI 2 (ACM) Selective Catalyst Reduction Outlet NOx Sensor Failure to Activate

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