Test Description
The number below refers to the step number on the diagnostic table.
- 3: This step tests for the proper operation of the circuit in the low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.
DTC P0463
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics | ||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
250 Ω | Go to Step 6 | Go to Step 3 |
| 3 |
|
0 V | Go to Step 6 | Go to Step 4 |
| 4 | Test the signal circuit of the fuel level sender between C406 and the engine control module (ECM)/powertrain control module (PCM) for an open, for a high resistance, or for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 5 |
| 5 | Test the low reference circuit of the fuel level sender between C406 and the ECM/PCM for an open or for a high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 9 |
| 6 | Test the signal circuit of the fuel level sender for an open, for a high resistance, or for a short to voltage between C406 and the fuel level sender. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 7 |
| 7 | Test the low reference circuit of the fuel level sender for an open or for a high resistance between C406 and the fuel level sender. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 8 |
| 8 | Inspect for poor connections at the harness connector of the fuel level sender. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 10 |
| 9 | Inspect for poor connections at the harness connector of the ECM/PCM. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 11 |
| 10 | Replace the fuel level sender. Refer to Fuel Level Sensor Replacement
in Engine Controls - 2.2L (L61) or Fuel Level Sensor Replacement
in Engine Controls - 2.0L. Did you complete the replacement? |
- | Go to Step 12 | - |
| 11 | Replace the ECM/PCM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 12 | - |
| 12 |
|
- | Go to Step 2 | System OK |