p1192 electronic throttle system limp home target follow malfunction
P1192 Electronic Throttle System Limp Home Target Follow Malfunction
-
OBD2 Code: P1192
Description: Electronic Throttle System Limp Home Target Follow Malfunction
Definition: This code indicates a problem with the electronic throttle control system, specifically related to the limp home mode target not being followed correctly. The limp home mode is a safety feature that allows limited vehicle operation when there is a fault in the throttle system.
p1192 – Electronic Throttle System Limp Home Target Follow Malfunction
Severity: Moderate
Common Causes
P1192 – Electronic Throttle System Limp Home Target Follow Malfunction
Common Causes:
- Faulty electronic throttle control unit
- Wiring issues in the electronic throttle system
- Throttle position sensor malfunction
- Electronic throttle motor failure
Common Misdiagnosis
OBD2 Code: P1192
Description: Electronic Throttle System Limp Home Target Follow Malfunction
Common Misdiagnosis: Replacing the throttle body without checking for wiring issues or sensor faults.
Common Diagnostic Steps
OBD2 Code: P1192
Description: Electronic Throttle System Limp Home Target Follow Malfunction
- Check for any additional trouble codes that may be present, as they can provide more context or related issues.
- Inspect the throttle body for carbon buildup or obstructions and clean if necessary.
- Verify the operation of the throttle position sensor (TPS) using a multimeter to ensure it is within manufacturer specifications.
- Examine wiring and connectors associated with the electronic throttle control system for damage, corrosion, or loose connections.
- Test the electronic throttle actuator motor for proper function and replace if faulty.
- Use a scan tool to monitor live data from the TPS and compare it against expected values while operating the accelerator pedal.
- If applicable, perform a throttle relearn procedure using an appropriate scan tool to reset adaptive values in the engine control module (ECM).
- If all else fails, consult vehicle-specific repair manuals or technical service bulletins (TSBs) for further guidance on resolving this code.