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Home/DTC Codes/Mitsubishi/Eclipse/2000-2005 2.4L I4/P0606
P0606

PCM Processor Fault

2000-2005 Mitsubishi Eclipse 2.4L I4

Critical SeverityPowertrainGeneric (SAE)

Description

The PCM has detected an internal processor error.

Symptoms

  • Check Engine Light
  • Erratic operation
  • Possible no-start
  • Multiple fault codes

Common Causes

  • PCM internal failure
  • Power supply issue to PCM
  • Severe voltage spike
  • PCM overheating

Diagnostic Steps

  1. Check PCM power and ground circuits
  2. Look for water or heat damage
  3. Check for voltage spikes
  4. Try PCM reprogramming

Repair Notes

Usually requires PCM replacement. Check power and grounds first.

Related Codes

P0600Serial Communication LinkP0601Internal Control Module Memory Check Sum Error

Other Powertrain Codes

P0606 on Other Vehicles

Mitsubishi 3000GT

1991-1999 3.0L V6

Mitsubishi 3000GT VR-4

1991-1999 3.0L Twin Turbo V6

Mitsubishi 3000GT VR-4

1991-1999 3.0L V6 Twin Turbo

Mitsubishi Colt JP

2002-2012 1.3L I4 4A90

Mitsubishi Colt JP

2002-2012 1.5L I4 4A91

Mitsubishi Delica D:5

2019-2025 2.2L I4 Turbo Diesel 4N14

Mitsubishi Diamante

1992-1996 3.0L V6

Mitsubishi Diamante

1997-2004 3.5L V6

Common Questions

What does code P0606 mean on a 2000-2005 Mitsubishi Eclipse?

P0606 stands for "PCM Processor Fault". The PCM has detected an internal processor error.

What are the symptoms of P0606 on a Mitsubishi Eclipse?

Common symptoms of P0606 include: Check Engine Light, Erratic operation, Possible no-start, Multiple fault codes.

What causes P0606 on a 2000-2005 Mitsubishi Eclipse?

Common causes of P0606 include: PCM internal failure, Power supply issue to PCM, Severe voltage spike, PCM overheating.

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