Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 10 (HYBRID/EV CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC P1E3BCIRCUIT/SYSTEM VERIFICATION
2013 Buick Regal Turbo Premium, Standard Trans
Circuit/System Verification
2013 Buick Regal Turbo Premium, Standard TransSECTION Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Check the cooling system for the correct amount of coolant. Refer to Cooling System Draining and Filling (Static Fill) , Cooling System Draining and Filling (GE 47716) .
- Verify that DTC P0A2C, P0CC1-P0CC4 is not set.
- If DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Start the engine and observe the scan tool motor A calculated rotor temperature parameter. The reading should be less than 180°C (356°F). If greater than the specified value, check the cooling system and pump for proper operation. If there is coolant and flow then monitor the calculated rotor temperature and verify that it drops below 180°C (356°F). If the temperature does not drop below 180°C (356°F) then reprogram the K59 starter generator control module. If the DTC resets, replace the K59 starter generator control module.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.