Implausible Ambient Ait Temperature Signal Received
Table of contents
U1518 RAM Possible Causes
- Faulty Body Control Module (BCM)
- Body Control Module harness is open or shorted
- Body Control Module circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code U1518 RAM?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the U1518 RAM code
The cost of diagnosing the U1518 RAM code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
U1518 RAM Description
The Powertrain Control Module (PCM) receives an implausible signal from the Ambient Temperature Sensor over the Controller Area Network (CAN) C bus from the Body Control Module (BCM). The circuit is continuously monitored. One Trip fault.
