Dynamic Rear Proportioning Control System
Table of contents
C1248 BUICK Possible Causes
- Faulty Electronic Brake Control Module (EBCM)
- Electronic Brake Control Module (EBCM) harness is open or shorted
- Electronic Brake Control Module (EBCM) circuit poor electrical connection
How do I fix code C1248 BUICK?
Check 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.
Tech Notes
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Cost of diagnosing the C1248 BUICK code
The cost of diagnosing the C1248 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1248 BUICK Description
Dynamic Rear Proportioning (DRP) is a control system that replaces the hydraulic proportioning function of the mechanical proportioning valve in the base brake system. DRP control system is part of operating software in EBCM. DRP uses active control with existing ABS in order to regulate vehicle’s rear brake pressure.
The C1248 code will set when DTC C1214, C1217, C1237, C1254, C1255, C1261-1268, or C1271-1274 sets, DTC C1236 sets and system voltage is less than 8.5 volts, or two wheel speed sensor DTCs on same axle set.