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TL960 SERVICE MANUAL DIAGNOSTIC FLASH CODE/ENGINE PERFORMANCE RELATIONSHIP - 3100 HEUI DIESEL ENGINE

DIAGNOSTIC FLASH CODE

EFFECT ON ENGINE PERFORMANCE

SUGGESTED DRIVER ACTION

Engine

Low

Engine Speed

Engine

Misfire

Power

Reduced

Shutdown

Shutdown Service Schedule Vehicle ASAP Service

01 - Idle Shutdown Override 15 - Injection Actuation Pressure Sensor Fault 17 - Excessive Injection Actuation Pressure Fault (1) 18 - Injection Actuation Pressure Control Valve Driver Fault 19 - Injection Actuation Pressure System Fault 21 - Sensor Supply Voltage Fault (1, 2) 25 - Boost Pressure Sensor Fault (1) 27 - Coolant Temperature Sensor Fault (1, 2) 28 - Check Throttle Sensor Adjustment 31 - Loss of Vehicle Speed Signal 32 - Throttle Position Sensor Fault 34 - Engine RPM Signal Fault 35 - Engine Overspeed Warning 36 - Vehicle Speed Signal Fault 38 - Air Inlet Temperature Sensor Fault (1, 2) 41 - Vehicle Overspeed Warning 47 - Idle Shutdown Occurrence 49 - Inlet Air Heater Driver Fault (1) 51 - Intermittent Battery Power to ECM 55 - No Detected Faults 56 - Check Customer/System Parameters 59 - Incorrect Engine Software 61 - High/Very High Coolant Temperature Warning 71 - Cylinder 1 Fault 72 - Cylinder 2 Fault 73 - Cylinder 3 Fault 74 - Cylinder 4 Fault 75 - Cylinder 5 Fault 76 - Cylinder 6 Fault 42 - Check Sensor Calibrations

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NOTE: An X indicates that the effect on engine performance WILL occur if the code is active. An asterisk (*) mark indicates that effect on engine performance MAY occur if the code is active.

  • 1.

    These Diagnostic Flash Codes may affect the system only under specific environmental conditions such as cold weather start-up of engine or cold weather operation at high altitude.

  • 2.

    These Diagnostic Flash Codes reduce the effectiveness of the engine monitoring feature when active.

Shutdown Vehicle: Drive the vehicle cautiously off the road and get immediate service. Severe engine damage may result. Service ASAP: Driver should go to the nearest qualified service location. Schedule: Driver should have problem investigated when convenient.

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