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Home >> Toyota >> 2021 >> 4Runner TRD Pro >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (P0560-P2121) >> SFI System >> DTC P060B: Internal Control Module A/D Processing Performance [08/2015 - 08/2019] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

One of the following conditions is met Condition 1, 2 or 3
1. Internal control module serial communication Fail
2. AD converter Fail
3. Knock sensor circuit Fail