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Home/DTC Codes/Mitsubishi/Eclipse/2000-2005 2.4L I4/P0601
P0601

Internal Control Module Memory Check Sum Error

2000-2005 Mitsubishi Eclipse 2.4L I4 🇩🇪

High SeverityPowertrain

Description

The PCM has detected a memory checksum error during self-test.

Symptoms

  • Check Engine Light
  • Erratic engine behavior
  • Possible no-start
  • Multiple system faults

Common Causes

  • PCM internal failure
  • PCM programming corruption
  • Voltage spike damage
  • Water intrusion into PCM

Diagnostic Steps

  1. Attempt PCM reprogramming/reflash
  2. Check for water damage to PCM
  3. Test PCM power and ground circuits
  4. Check for TSBs regarding PCM update

Repair Notes

Reprogram PCM first. If error persists, replace PCM.

Related Codes

P0600Serial Communication LinkP0602Control Module Programming ErrorP0606PCM Processor Fault

Other Powertrain Codes

P0601 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 P0601 mean on a 2000-2005 Mitsubishi Eclipse?

P0601 stands for "Internal Control Module Memory Check Sum Error". The PCM has detected a memory checksum error during self-test.

What are the symptoms of P0601 on a Mitsubishi Eclipse?

Common symptoms of P0601 include: Check Engine Light, Erratic engine behavior, Possible no-start, Multiple system faults.

What causes P0601 on a 2000-2005 Mitsubishi Eclipse?

Common causes of P0601 include: PCM internal failure, PCM programming corruption, Voltage spike damage, Water intrusion into PCM.

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