|What are the Possible Causes of the Code P0BBD Cadillac?
Faulty Drive Motor Battery Assembly
Faulty Drive Motor Generator Battery
Faulty Drive Motor Generator Battery Control Module
Drive Motor Battery Assembly harness is open or shorted
Drive Motor Battery Assembly circuit poor electrical connection
|How to Fix the P0BBD Cadillac Code?
Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
|What is the Cost to Diagnose the Code P0BBD Cadillac?
Labor: 1.0
The cost to diagnose the P0BBD Cadillac code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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|What are Code P0BBD Cadillac Possible Symptoms?
Engine Light ON (or Service Engine Soon Warning Light)
|What Does the P0BBD Cadillac Code Mean?
The Drive Motor Generator Battery Control Module is also referred to as the Battery Energy Control Module (BECM). The BECM will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the BECM to the Hybrid Powertrain Control Module (HPCM) through the Hybrid LAN communication circuit. The HPCM is the host controller for Diagnostic Trouble Code (DTC) information.
The hybrid battery assembly consists of 40 individual batteries. Each battery is rated at 7.2 volts. A pair of batteries is rated at 14.4 volts. The batteries are connected together in a series circuit. The BECM monitors the hybrid battery voltage on every two batteries for a total of 20 locations, across the battery assembly. The BECM monitors and compares these 20 voltage measurements, if the BECM detects a voltage difference greater than a calibrated value on any two consecutive hybrid battery voltage measurements this DTC will set. P0BBD Cadillac Code - Hybrid Battery Pack Voltage Variation High
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