DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0603

ECM BACK UP CIRCUIT

[Internal control module keep alive memory (KAM) error]

• Malfunction in the internal back up RAM of ECM.
• Malfunction in the internal EEP-ROM system of ECM.

• ECM power supply
• ECM