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IBST_a026 — Ecu Bist Cmd Test Fault

Full alert identifier: IBST_a026_ecuBistCmdTestFault

Message shown in the car

Power braking assist reduced Braking may require increased effort

Alert description

iBooster (IBST) has detected (contrary to specifications) the Built-In Self-Test (BIST) state machine of system Integrated Circuit (IC) is started by an incorrect BIST command.

Potential impact

IBST may not operate as expected.

Set condition

IBST detects the BIST state machine of system IC is started by an incorrect BIST command.

Clear condition

iBooster can not recover from this condition. iBooster replacement may be required.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of IBST_a026.

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