DTC U0158 Chevrolet
Cooling Fan Speed Excessive RPM
Cooling Fan Speed Excessive RPM
Description
The engine is running. The system voltage is greater than 8.5 volts. The intake air temperature (IAT) is greater than -7°C (19°F). DTCs P1481 and P1482 are not set. The engine speed is less than 3200 RPM. The engine speed is not chan
Cause and Solution
An inline connector could cause an intermittent DTC. Ensure to test for poor connections and pin retention at all inline connectors. Refer to system schematics for connector and locations.If the condition is not present, refer to Testing for Interm
Video Guide
Diagnostic Info
- DTC Code: U0158
- Brand: Chevrolet