E539 High Intake Manifold Air Temperature
Conditions Which Generate This Code:
The Electronic Control Module (ECM) detects a fault with the intake manifold air temperature. The ECM detects the following faults:
- The engine has been running for more than 3 minutes.
- The trip point for the intake manifold air temperature is reached.
- Diagnostic code 172-03 Intake Manifold Air Temperature open/short to +batt is not active.
- Diagnostic code 172-04 Intake Manifold Air Temperature short to ground is not active.
Show/hide table
| Intake Manifold Air Temperature Trip Level Table | |
| E539-1 | |
| Engine Model | |
| Turbocharged Aftercooled Engines (TA) | |
System Response:
The event code will be logged.
The warning light on the control panel will flash.
Possible Performance Effect:
E539-1
None
Troubleshooting:
Test Step 1.
Refer to Troubleshooting, "Intake Air Temperature Is Too High".
Results:
- OK - STOP
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