Skip to content

Body

B18AA

Code meaning and manufacturer information

OBD-II / DTC

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.

View all ↗

Manufacturer communications

3

Original wording in English

View all ↗

DODGE

Flash: Body Control Module (BCM) Update Technicians may find the following Diagnostic Trouble Code (DTC): SYMPTOM: ● B18AA-11 - Trunk/Gate Unlock Control 1-Circuit Short to Ground. NOTE: There are no Malfunction Indicator Lamp (MIL) illumination or related messages displaying in the Instrument Panel Cluster (IPC) for this sympto…

DODGE

Flash: Body Control Module (BCM) Update **Technicians may find the following Diagnostic Trouble Code (DTC):** ● B18AA-11 - Trunk/Gate Unlock Control 1-Circuit Short to Ground. NOTE: There are no Malfunction Indicator Lamp (MIL) illumination or related messages displaying in the Instrument Panel Cluster (IPC) for this symptom. Cu…

08-074-26 ↗

DODGE

Flash: Body Control Module (BCM) Update Customers may comment on the following: SYMPTOM: ● The liftgate will not open when a release button (interior, exterior, or FOBIK) is pressed. NOTE: There are no Malfunction Indicator Lamp (MIL) illumination or related messages displaying in the Instrument Panel Cluster (IPC) for this cond…

Check vehicle applicability

2

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

View all ↗

MakeModelModel year
DodgeCHARGER ↗2026
DodgeCHARGER EV ↗2026

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.