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.
U0168Lost Communication With Vehicle Security Control Module
U0168Lost Communication With Vehicle Security Control Module
U0168Lost Communication With Vehicle Security Control Module
Manufacturer communications
11Original wording in English
JEEP
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● U0168 - Lost Communication With Vehicle Security Control Module. ● P0629 - Fue…
JEEP
"Flash: Powertrain Control Module (PCM) Updates. Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● **U0168 - Lost Communication With Vehicle Security Control Module.** ● P0629…
VOLVO
This is a Technical Journal: DIM message and DTC VCU1 U016800. Reload ASDM
MERCEDES-BENZ, MERCEDES-MAYBACH
Complaint Check engine light illuminates. No driveability complaint. Fault codes U0115 and U0168 stored in ISA control unit Cause ISA control unit software Remedy Clear fault codes and perform a test drive. If fault does not return and no other symptoms present the vehicle can be returned to the owner. These fault codes will not…
Check vehicle applicability
56A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chrysler | GRAND VOYAGER ↗ | 2013 |
| Chrysler | GRAND VOYAGER ↗ | 2012 |
| Dodge | CARAVAN ↗ | 2013 |
| Dodge | CARAVAN ↗ | 2012 |
| GMC | ACADIA ↗ | 2016 |
| GMC | ACADIA ↗ | 2015 |
| GMC | ACADIA ↗ | 2014 |
| GMC | ACADIA ↗ | 2013 |
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.