P0600
Serial Communication Link
1992-1998 BMW 325i E36 2.5L I6 M50 🇷🇺
High SeverityPowertrain
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
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- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0600 on Other Vehicles
Common Questions
What does code P0600 mean on a 1992-1998 BMW 325i E36?
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 325i E36?
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 1992-1998 BMW 325i E36?
Common causes of P0600 include: Faulty CAN bus wiring, PCM failure, Module failure on bus, Terminated resistor issue, Aftermarket device interfering with bus.