P1189 DODGE Possible Causes
- Faulty Throttle Inlet Pressure Sensor (TIP)
- Throttle Inlet Pressure Sensor harness is open or shorted
- Poor electrical connection in Throttle Inlet Pressure Sensor circuit
How to Fix P1189 DODGE Code?
Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1189 DODGE Meaning
The Powertrain Control Module (PCM) monitors the Throttle Inlet Pressure Sensor (TIP). The PCM sets the Diagnostic Trouble Code (DTC) when it detects a low signal from the Throttle Inlet Pressure Sensor.