AutoCodes – Cadillac – C1248 Cadillac

C1248 Cadillac Code - Dynamic Rear Proportioning Control System

Quick Answer

Dynamic Rear Proportioning (DRP) is a control system that replaces the hydraulic proportioning function of the mechanical proportioning valve in the base brake system. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C1248 Cadillac indicates Dynamic Rear Proportioning Control System.
Common causes: Common causes include 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.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 6,015

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1248 Cadillac 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.

OBDII Code C1248 Cadillac - Dynamic Rear Proportioning Control System - AutoCodes.com — C1248 Cadillac Code - Dynamic Rear Proportioning Control System

What does this mean?

What are the Possible Causes of the DTC C1248 Cadillac?

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 to Fix the DTC C1248 Cadillac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1248 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1248 Cadillac Code

1. What is OBDII code C1248 for Cadillac?

- OBDII code C1248 is related to the Dynamic Rear Proportioning Control System in Cadillac vehicles.

2. What are the common symptoms of OBDII code C1248 in a Cadillac?

- Common symptoms include the ABS warning light coming on, the traction control light being illuminated, and potential issues with the vehicle's braking performance.

3. What are some possible causes of OBDII code C1248 in a Cadillac?

- The code C1248 in a Cadillac can be triggered by faults in the rear wheel speed sensors, issues with the control module, or problems with the hydraulic valves in the Dynamic Rear Proportioning Control System.

4. How can I diagnose OBDII code C1248 in my Cadillac?

- Diagnosis typically involves using a professional OBDII scanner to read the code, checking the rear wheel speed sensors for proper operation, and inspecting the wiring and connectors related to the Dynamic Rear Proportioning Control System.

5. Can I still drive my Cadillac with OBDII code C1248?

- It is not recommended to drive the vehicle with an active C1248 code, as it can affect the vehicle's braking performance and overall safety.

6. How can I repair OBDII code C1248 in my Cadillac?

- Repair options may include replacing faulty rear wheel speed sensors, addressing issues with the control module, or repairing/replacing hydraulic valves in the Dynamic Rear Proportioning Control System.

7. Are there any DIY tips for fixing OBDII code C1248 in a Cadillac?

- While some basic troubleshooting steps can be taken, it is recommended to consult a professional mechanic or dealership for proper diagnosis and repair of OBDII code C1248 in a Cadillac.

8. Is OBDII code C1248 in a Cadillac a serious issue?

- Yes, OBDII code C1248 related to the Dynamic Rear Proportioning Control System is a serious issue that can impact the vehicle's braking system and overall safety.

9. Can resetting the trouble codes clear OBDII code C1248 in a Cadillac?

- Resetting the trouble codes may temporarily clear the code, but it is important to address the underlying issue causing OBDII code C1248 to prevent it from reoccurring.

10. Is it safe to ignore OBDII code C1248 in a Cadillac?

- Ignoring OBDII code C1248 can lead to potential safety hazards and affect the vehicle's braking performance, so it is not recommended to ignore this code.