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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Stop And Start System - Diagnostic Codes (1 Of 2)) >> Stop And Start System >> DTC P0606-29: Backup Boost Converter "A" Control CPU Signal Invalid [03/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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CASE 1

Back up boost converter command frequency 92.59 Hz or less
CASE 2

The following condition is met 5 times or more
Back up boost converter command frequency 108.7 Hz or higher
CASE 3

Either of the following conditions (a) or (b) is met -
(a) Back up boost converter command duty cycle 24% or less
(b) Back up boost converter command duty cycle More than 85%
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