Transmission Fluid Temperature Gage Inaccurate or Inoperative
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Fluid Temperature Gage Inaccurate or Inoperative
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics | ||||
| 1 | Did you perform the IPC Diagnostic System Check? | - | Go to Step 2 | Go to Diagnostic System Check - Instrument Cluster |
| 2 |
|
-40 to +215°C (-40 to +419°F) |
Go to Step 3 | Go to Step 4 |
| 3 | With a scan tool, observe Trans Fluid Temp parameter in the IPC data 1 list and the Transmission Fluid Temperature gage display on the DIC. Does the scan tool display correspond with the transmission fluid temperature gage display within the specified value? |
10°C (10°F) |
Go to Step 4 | Go to Step 6 |
| 4 | Inspect for poor connections at the harness connector of the 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 7 | Go to Step 5 |
| 5 |
IMPORTANT:
Program the replacement PCM. Replace the PCM. Refer to Powertrain Control Module (PCM) Replacement
in Engine Controls.Did you complete the replacement? |
- | Go to Step 7 | - |
| 6 | Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement . Did you complete the replacement? |
- | Go to Step 7 | - |
| 7 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |