ELECTRIC POWER CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips


  • If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

  • Inspect the fuses and relays related to this system before inspecting the trouble areas below.

ELECTRIC POWER CONTROL ECU [Electric Power Control]*
DTC Code Detection Item See page
B22A0 IG2 Terminal Circuit Low

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B22A1 Battery Current Sensor

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B22A6 THB Terminal Voltage Low

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B22A8 VB Terminal Voltage

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B22AB Open in Starter Switch Terminal

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B22AC Alternater Stop Power Generation

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B22AD No Control for Power Generation of Alternator

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B22AE Open in Alternater Charge Line

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B22B2 Power Cut Relay On Stuck

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B22B3 Power Cut Relay Off Stuck

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B22B6 Communication Error with ECM / PCM "A" (Generate Voltage Data of Alternator)

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B22B7 Communication Error with ECM / PCM "A" (Generate Rate Data of Alternator)

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B22B8 Communication Error with ECM / PCM "A" (Charge Mode Data)

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B22BA Communication Error with ECM / PCM "A" (Engine Speed Data)

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B22BB Communication Error with Brake System Control Module (Vehicle Speed Data)

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B22BC Communication Error with ECM / PCM "A" (Intake-Air Temperature Data)

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B22BD Communication Error with ECM / PCM "A" (Coolant Temperature Data)

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U0100 Lost Communication with ECM / PCM "A"

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U0129 Lost Communication with Brake System Control Module

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U0131 Lost Communication with Power Steering Control Module

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U0142 Lost Communication with Gateway "A"

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U0164 Lost Communication with HVAC Control Module

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U1104 Lost Communication with Driving Support ECU

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U1111 Lost Communication with Front Controller Module

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