CAT

The engine is running and status of Service Brake #1 Switch indicates the brake pedal has been depressed while Service Brake #2 Switch indicates the pdeal is released.

The engine is running and status of Service Brake #2 Switch indicates the brake has been depressed while Service Brake #1 Switch indicates the pedal is released.

The Engine Control Module (ECM) detects the following conditions: •For C7 engines that are not in emergency vehicles, the engine coolant temperature is at least 108° C (226° F) for more than ten seconds.•For C7 emergency vehicles and for C9 vehicles, the engine coolant temperature is at least 113° C (235° F) for more than ten seconds.•For C9 emergency vehicles with automatic transmissions, the engine coolant temperature is at least 118° C (244° F) for more than ten seconds.•The engine has been running for at least 30 seconds. Note: This diagnostic code represents an event. This diagnostic code does not...

The Engine Control Module (ECM) detects the following conditions: •For C7 engines that are not in emergency vehicles, the engine coolant temperature is at least 111° C (232° F) for more than four seconds.•For C7 emergency vehicles and for C9 vehicles, the engine coolant temperature is at least 116° C (241° F) for more than four seconds.•For C9 emergency vehicles with automatic transmissions, the engine coolant temperature is at least 121° C (250° F) for more than four seconds.•The engine has been running more than 30 seconds. Note: This diagnostic code represents a critical event. This diagnostic code does not...

The ECM detects the following conditions: •The coolant level sensor is sending an invalid signal for more than ten seconds.•The “Coolant Level Sensor” parameter is programmed to “Yes”. Probable Causes: 1) ECM Connection/Harness2) Coolant sensor failure3) Coolant sensor harness failure4) ECM Failure