Pinpoint Test Z: P0A6F, P0A72, P0A75
- NOTE: The Secondary Inverter System Controller (S-ISC) is referred to as the SOBDMB (Secondary On-Board Diagnostic Control Module B) in the scan tool.
Normal Operation and Fault Conditions
REFER to: Front Electric Drive Assembly - System Operation and Component Description .
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition SOBDMB P0A6F:00 Generator Phase U Current: No Sub Type Information This DTC sets when the U current sensor offset is greater than the calibrated threshold. SOBDMB P0A72:00 Generator Phase V Current: No Sub Type Information This DTC sets when the V current sensor offset is greater than the calibrated threshold. SOBDMB P0A75:00 Generator Phase W Current: No Sub Type Information This DTC sets when the W current sensor offset is greater than the calibrated threshold. Possible Sources
- Secondary Inverter System Controller (S-ISC)
- Z1 CHECK THE SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) CALIBRATION LEVEL
- Verify the Secondary Inverter System Controller (S-ISC) is at the latest calibration level.
Is the Secondary Inverter System Controller (S-ISC) at the latest calibration level?
Yes GO to Z2 No UPDATE the Secondary Inverter System Controller (S-ISC) to the latest calibration level. - Z2 CHECK SECONDARY INVERTER SYSTEM CONTROLLER (S-ISC) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, perform the Secondary Inverter System Controller (S-ISC) self-test.
Are DTCs P0A6F, P0A72 or P0A75 present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new Secondary Inverter System Controller (S-ISC). REFER to: Inverter System Controller [SOBDMB] . No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.