T8 / P0461 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: D.T.E out or order.

P0461 00

Fault symptom

D.T.E out or order.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

General conditions for this DTC

•	Battery voltage must be between 11 - 16 V.

•	Engine running.

NONE of the following DTCs must be detected:

•	P0462, P0463

Test 1

•	Fuel level below 55 litres.

Test 2

•	Fuel level over 55 litres.

Fault criteria:

Test 1

•	The diagnosis calculates the fuel consumption over a distance of 35 km. A DTC is generated if 5 measurements in succession differ more than 0.5 litres from each other.

Test 2

•	The diagnosis calculates the fuel consumption over a distance of 70 km. A DTC is generated if 5 measurements in succession differ more than 0.5 litres from each other.

Dependent:

None

System reaction to a fault:

The control module uses a substitute value of 40 litres when fault is detected.

Fault handling:

Type III without Check Engine.

(See section Fault handling III, "Other emission-related components and functions" for more information.)

Checking the wiring harness

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:

Electrical fault in connecting leads or component.

Sensor sticking mechanically.

Functions in the diagnostic tool related to the fault:

Test value:

•	Fuel Level

(See also description of readings/activations in diagnostic tool)