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.
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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 communications
5Original wording in English
MERCEDES-BENZ, MERCEDES-MAYBACH
Complaint: Red 12 V battery warning message in IC DTC stored in EZS or currently: B161609 No DTC in DC/DC converter DC/DC converter is not providing any output voltage or output current Cause: Due to a reduction in resistance at the HV voltage divider, the DC/DC converter measures an incorrect HV voltage. Regulation of the 12 V …
FORD
Certain 2023 Model Year Mustang Mach-E Vehicles 12 Volt (12V) Battery Test and Remote Climate Control Module (RCCM) Reset On the affected vehicles, the Remote Climate Control Module (RCCM) may stay awake after the vehicle is turned off, creating a Key Off Load (KOL). This may cause DTC B1616-04 to set, and a message “Electrical …
MERCEDES-BENZ, MERCEDES-MAYBACH
Complaint On affected hybrid vehicles of model series 223, a sporadic or continuously displayed red 12V warning message is shown in the instrument cluster. Cause Based on the current status of the analyses, 2 different causes may be considered probable: ·Failure of the current limiter module: The fault does not necessarily trigg…
MITSUBISHI
This is a Technical Service Bulletin sent to dealers. The bulletin updates the Supplemental Restraint System (SRS) section of the affected Service Manuals, to correct the description of DTC B1616 in the Check Chart for Diagnostic Trouble Codes.
Check vehicle applicability
38A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | MUSTANG MACH E ↗ | 2023 |
| Mercedes-Benz | AMG EQS ↗ | 2024 |
| Mercedes-Benz | AMG EQS ↗ | 2023 |
| Mercedes-Benz | AMG EQS ↗ | 2022 |
| Mercedes-Benz | AMG EQS 53 ↗ | 2023 |
| Mercedes-Benz | AMG EQS 53 ↗ | 2022 |
| Mercedes-Benz | AMG EQS 53 4MATIC ↗ | 2024 |
| Mercedes-Benz | AMG EQS 53 4MATIC ↗ | 2023 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Wiper Rear Disable Switch Circuit Open
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.