The control module detected a communication fault involving Serial on the vehicle network. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1606 Diagnostic Trouble Code (8 interpretations)
8 manufacturer-specific interpretations across 7 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
Honda
1 interpretationThe control module detected improper operation of the Integrated motor assist controller area network. This is the manufacturer-specific definition used by Honda.
Possible causes
- ECM programming
- ECM
Jaguar
1 interpretationThe control module detected improper operation of the ECM Control Relay Output circuit. This is the manufacturer-specific definition used by Jaguar.
Kia
1 interpretationThe control module registered the fault condition described as "Chassis Accelerator Sensor Signal Circuit Fault". This is the manufacturer-specific definition used by Kia.
Opel
1 interpretationThe control module's internal test reported the Engine control module (ECM) as faulty. This is the manufacturer-specific definition used by Opel.
VAG
2 interpretationsThe control module detected improper operation of the Rough road circuit. This is the manufacturer-specific definition used by Audi.
Possible causes
- ABS control module trouble code(s) stored
- CAN data bus
The control module detected an electrical fault in the Rough Road/Engine Torque Signal from ABS circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18014. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Symptoms
Malfunction Indicator Light (MIL) ON
Possible causes
Wiring and/or Connector(s) from/to Brake Electronics faulty
Recommended checks
Check Wiring and/or Connector(s) from/to Brake Electronics
Volvo
1 interpretationThe control module judged the CAN data bus, ETS behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Volvo.
Possible causes
- Wiring
- ETS
- ECM
Related and nearby codes
How to read P1606
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1606
What does P1606 mean?
Diagnostic Trouble Code (8 interpretations). The control module detected a communication fault involving Serial on the vehicle network. This is the manufacturer-specific definition used by Chevrolet.
Is P1606 generic or manufacturer-specific?
P1606 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Honda, Jaguar, Kia, Opel, VAG, Volvo. The same number can mean something different on other brands.
Can TuningBot remove P1606 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
