Caterpillar Cat ET Error Code CID 3362 FMI 2

Caterpillar Generator Moderate Engine

Model: Cat ET / EMCP 4.x | Code: 3362-2

Applicable Systems
EMCP 4.2

Symptoms

CID 3362 (Aftertreatment DPF Intake Temperature): Data erratic, intermittent or incorrect. The Caterpillar Electronic Technician (Cat ET) displays this fault. Machine operation may be derated or shut down depending on severity.

Possible Causes

  • Sensor or actuator for Aftertreatment DPF Intake Temperature failed or out of range
  • Wiring harness for CID 3362 circuit open, shorted, or corroded
  • ECM parameter for Aftertreatment DPF Intake Temperature out of calibration
  • Mechanical or hydraulic issue affecting the component

Troubleshooting Steps

  1. Step 1: Connect Cat ET and read active fault codes for CID 3362
    Fault code 3362-2 displayed with timestamp and component data
  2. Step 2: Inspect wiring harness and connector for CID 3362 (Aftertreatment DPF Intake Temperature)
    Wiring intact, connector clean and seated
  3. Step 3: Test Aftertreatment DPF Intake Temperature sensor or actuator output
    Output within Caterpillar specification range
  4. Step 4: Check ECM for stored parameters and calibrate if needed
    Parameters within factory specification
  5. Step 5: Clear fault with Cat ET and verify no re-occurrence
    Fault cleared and does not return after test cycle

How to Reset

To reset: 1) Correct the underlying fault for CID 3362. 2) Press FAULT RESET on the EMCP panel or clear via Cat ET. 3) Verify machine returns to normal operation. Caution: Do not reset without repairing the fault as the machine may operate in derated mode.

Frequently Asked Questions

  • Q: What does CID 3362 mean on Caterpillar equipment?

    CID 3362 refers to Aftertreatment DPF Intake Temperature. It is a standard Caterpillar Component Identifier used in diagnostic systems.

  • Q: What does FMI 2 mean?

    FMI 2 indicates: Data erratic, intermittent or incorrect. FMI (Failure Mode Identifier) describes the type of failure detected.

Related Caterpillar Fault Codes

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Source: Caterpillar SAE J1939 CID/FMI Reference, wholefleet.ca/motorsymphdiesel.com

Category: Generator