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1998 BMW 328IS E36
2.8L I6 M52•RWD•AUTOMATIC•gas
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Repairs0Labor494Torque2174Fluid8DTC1210Battery1Maintenance0Recalls0
P0600high severityPowertrain

Serial Communication Link

on 1998 BMW 328is E36 2.8L I6 M52 · RWD

What this code means

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

  1. Check for aftermarket devices on OBD-II port
  2. Test CAN bus wiring
  3. Check bus termination resistors
  4. Scan all modules for communication
  5. Inspect wiring for damage

Repair notes

Check for aftermarket devices first. Then check CAN bus wiring. PCM replacement is rare.

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