Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
C1418-78Vertical misalignment of sensor - Incorrect alignment or adjustment ACC
C1418Vertical Misalignment Sensor - Alignment Or Adjustment Incorrect
Manufacturer communications
5Original wording in English
RAM
"Adaptive Cruise Control (ACC) Inoperable Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C1418 - Vertical Misalignment Sensor - Alignment Or Adjustment Incorrect. Customers may also experience the following: ● Adaptive Crui…
ALFA ROMEO
"Medium Range Radar Alfa Giulia and Stelvio - FRONT RADAR -Temporary misalignment (DASM) Forward Collision Warning (FCW) System - Light on instrumental panel control cluster Adaptive Cruise Control (ACC) System - Light on instrumental panel We inform you that if the collision radar warning light is temporarily on and the tempora…
JEEP
Service FCW Message On Cluster And C1418-78 Vertical Misalignment DTC
JEEP
Service FCW Message On Cluster And C1418-78 Vertical Misalignment DTC
Check vehicle applicability
9A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Alfa Romeo | GIULIA ↗ | 2024 |
| Alfa Romeo | GIULIA ↗ | 2023 |
| Alfa Romeo | STELVIO ↗ | 2025 |
| Alfa Romeo | STELVIO ↗ | 2024 |
| Alfa Romeo | STELVIO ↗ | 2023 |
| Jeep | RENEGADE ↗ | 2021 |
| Jeep | RENEGADE ↗ | 2020 |
| Jeep | RENEGADE ↗ | 2019 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Damper RF Circuit Failure
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.