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Home >> Chevrolet >> 2015 >> Spark EV >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Control System >> Diagnostic Information and Procedures >> DTC P2537: Ignition Accessory Switch Circuit (Hybrid Powertrain Control Module 1) >> Circuit/System Description

Circuit/System Description

The hybrid powertrain control module 1 samples the system voltage on the accessory voltage circuit. Higher or lower than normal voltage may cause erratic vehicle operation. The Hybrid/EV Powertrain Control Module 1 is internal to the Drive Motor Generator Power Inverter Module.

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