Serial Communication Link
2015-2015 BMW i3 22 kWh Single Motor RWD
The 2015 BMW i3 is equipped with a 22 kWh Single Motor RWD engine. Below you'll find detailed p0600 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in the serial data communication link between the PCM and other modules.
Symptoms
- Check Engine Light
- Multiple warning lights
- Communication errors on scan tool
- Some modules not responding
Common Causes
- Faulty CAN bus wiring
- PCM failure
- Module failure on bus
- Terminated resistor issue
- Aftermarket device interfering with bus
Diagnostic Steps
- Check for aftermarket devices on OBD-II port
- Test CAN bus wiring
- Check bus termination resistors
- Scan all modules for communication
- Inspect wiring for damage
Repair Notes
Check for aftermarket devices first. Then check CAN bus wiring. PCM replacement is rare.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P0600 on Other Vehicles
Common Questions
What does code P0600 mean on a 2015-2015 BMW i3?
P0600 stands for "Serial Communication Link". Malfunction in the serial data communication link between the PCM and other modules.
What are the symptoms of P0600 on a BMW i3?
Common symptoms of P0600 include: Check Engine Light, Multiple warning lights, Communication errors on scan tool, Some modules not responding.
What causes P0600 on a 2015-2015 BMW i3?
Common causes of P0600 include: Faulty CAN bus wiring, PCM failure, Module failure on bus, Terminated resistor issue, Aftermarket device interfering with bus.
Last updated: March 2026