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DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060A, P060B, P061C, P062B, or P062F

Diagnostic Instructions
    • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    • Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    • Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC P0602 46: Control Module Not Programmed Configuration Not Programmed

DTC P0606 00: Control Module Processor Performance Malfunction

DTC P0606 11: Control Module Processor Performance High Input

DTC P0606 12: Control Module Processor Performance Low Input

DTC P0606 31: Control Module Processor Performance Internal Checksum Error

DTC P0606 33: Control Module Processor Performance Special Memory Malfunction

DTC P0606 37: Control Module Processor Performance Software Malfunction

DTC P0606 3C: Control Module Processor Performance Internal Communication Malfunction

DTC P0606 5A: Control Module Processor Performance Not Plausible

DTC P0607 39:  Control Module Performance Internal Malfunction

DTC P060A 07: Control Module Monitoring Processor Performance High Voltage

DTC P060B 03:  Control Module Analog to Digital Converter Performance Low Voltage

DTC P060B 07:  Control Module Analog to Digital Converter Performance High Voltage

DTC P060B 08:  Control Module Analog to Digital Converter Performance - Signal Invalid

DTC P060B 11:  Control Module Analog to Digital Converter Performance High Input

DTC P061C 00: Control Module Engine Speed System Circuitry Performance Malfunction

DTC P062B 00:  Control Module Fuel Injector Control Performance Malfunction

DTC P062B 03:  Control Module Fuel Injector Control Performance Low Voltage

DTC P062B 32: Control Module Fuel Injector Control Performance General Memory Malfunction

DTC P062B 39: Control Module Fuel Injector Control Performance Internal Malfunction

DTC P062B 3B:  Control Module Fuel Injector Control Performance Self-Test Malfunction

DTC P062B 3C:  Control Module Fuel Injector Control Performance Internal Communication Malfunction

DTC P062B 59: Control Module Fuel Injector Control Performance Protection Time-Out

DTC P062B 73: Control Module Fuel Injector Control Performance Parity Error

DTC P062F 00: Control Module Long Term Memory Performance Malfunction

DTC P062F 36: Control Module Long Term Memory Performance EEPROM Performance/Malfunction

DTC P062F 41: Control Module Long Term Memory Performance Not Programmed

Circuit/System Description

These DTCs apply to internal microprocessor integrity conditions within the engine control module (ECM). This diagnostic also addresses if the ECM is not programmed.

Conditions for Running the DTC

P0602, P0606, P0607, P060A, P060B, P061C, and P062F

    • The ignition is ON.
    • The DTCs run continuously once the above condition is met.

P062B

    • The engine is running.
    • The DTC runs continuously once the above condition is met.

Conditions for Setting the DTC

P0602

The ECM detects that programming is incomplete for greater than 1 s.

P0606, P0607, P060A, P060B, and P061C

The ECM detects an internal condition for greater than 1 s.

P062B

The ECM detects an internal fuel injector condition once per camshaft revolution.

P062F

The ECM detects an internal EEPROM failure.

Action Taken When the DTC Sets
    • DTCs P0606, P0606 11, P0606 12, P0606 32, P0606 33, P0606 3C, P060A, P061C, P062B, and P062F are Type A DTCs.
    • DTCs P0606 37, P0606 5A, and P060B are Type B DTCs.
    • DTCs P0602 and P0607 are Type C DTCs.

Conditions for Clearing the DTC
    • DTCs P0606, P0606 11, P0606 12, P0606 32, P0606 33, P0606 3C, P060A, P061C, P062B, and P062F are Type A DTCs.
    • DTCs P0606 37, P0606 5A, and P060B are Type B DTCs.
    • DTCs P0602 and P0607 are Type C DTCs.

Reference Information

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Circuit/System Testing

P0602 or P062F

Program the ECM. If DTC P0602 sets after programming, perform the following steps:

    • Ensure that all tool connections are secure.
    • Ensure the programming equipment is operating correctly.
    • Ensure the correct software and the correct calibration is used.
    • Attempt to program the K20 Engine Control Module.
       ⇒If DTC P0602 sets, replace the K20 Engine Control Module.

P0606, P0607, P060A, P060B, P061C, or P062B

  1. Observe the Freeze Frame/Failure Records with a scan tool.
  2. Clear the DTCs with a scan tool.
  3. Ignition OFF for 30 s.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
    5. ⇒If DTCs P0606, P0607, P060A, P060B, P061C, or P062B failed this ignition, replace the K20 Engine Control Module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for ECM replacement, setup, and programming

Repair Verification

Ignition ON, observe the scan tool DPF Soot Accumulation parameter. The parameter should be less than 70%.

⇒If greater than the specified range, perform a DPF service regeneration. Refer to Exhaust Particulate Filter Cleaning .
   


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