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2012 HYUNDAI TUCSON

2.0L I4AWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4951Fluid9DTC904Battery0Maintenance0Recalls3
P0600high severityPowertrain

Serial Communication Link

on 2012 Hyundai Tucson 2.0L I4 · AWD

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.

Other Powertrain codes on this vehicle

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