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Home/DTC Codes/Citroën/C4/2020-2024 Electric/P0601
P0601

Internal Control Module Memory Check Sum Error

2020-2024 Citroën C4 Electric 🇩🇪

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

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2020-2025 Electric 5.5kWh

Citroën Berlingo

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Citroën Berlingo

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Citroën Berlingo

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Citroën Berlingo

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Citroën Berlingo

2021-2025 Electric e-Berlingo 50kWh

Citroën Berlingo III FR

2018-2025 1.2L I3 Turbo PureTech 110

Citroën Berlingo III FR

2018-2025 1.5L I4 Diesel BlueHDi 100

Common Questions

What does code P0601 mean on a 2020-2024 Citroën C4?

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 Citroën C4?

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

What causes P0601 on a 2020-2024 Citroën C4?

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

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