DTC P0603 (Flash Code 64) Internal Control Module EEPROM Error (AWR6B45)

1. DTC P0603 description

This diagnosis is performed on the microprocessor inside the TCM.

2. Condition for setting DTC P0603

  • The TCM detects an EEPROM malfunction.

3. Action taken when DTC P0603 sets

  • The TCM flashes the check trans warning light. Refer to Action taken when DTC sets - Type A.

Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC type definitions".

  • The TCM performs the transmission control with the initial value.

4. Condition for clearing DTC P0603

  • Refer to Condition for clearing the MIL, check trans warning light/DTC - Type A or Type B.

Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) DTC type definitions".

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