AutoCodes – RAM – B1C48 RAM

B1C48 RAM Code - 1st Row Passenger Retractor Tensioner Circuit High

Quick Answer

When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. Common causes include Faulty 1st Row Passenger Retractor Tensioner, 1st Row Passenger Retractor Tensioner harness is open or shorted, 1st Row Passenger Retractor Tensioner 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: B1C48 RAM indicates 1st Row Passenger Retractor Tensioner Circuit High.
Common causes: Common causes include Faulty 1st Row Passenger Retractor Tensioner, 1st Row Passenger Retractor Tensioner harness is open or shorted, 1st Row Passenger Retractor Tensioner 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 554

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1C48 RAM Description

When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. These circuits are maintained in a floating configuration at the module (connected to neither power nor ground) as protection against inadvertent deployment. The use of the Supplemental Restraints System (SRS) Load Tool Adapter provides a test point as well as a method for opening the shorting bar connections within the harness connector. The ORC sends out a 40 mA diagnostic current on each squib voltage supply circuit at power up and every 500 ms thereafter while the ignition is in on. The module then monitors the data return wire to determine the state of the circuit.

OBDII Code B1C48 RAM - 1st Row Passenger Retractor Tensioner Circuit High - AutoCodes.com — B1C48 RAM Code - 1st Row Passenger Retractor Tensioner Circuit High

What does this mean?

What are the Possible Causes of the DTC B1C48 RAM?

Faulty 1st Row Passenger Retractor Tensioner
1st Row Passenger Retractor Tensioner harness is open or shorted
1st Row Passenger Retractor Tensioner circuit poor electrical connection
Faulty Occupant Restraint Controller (ORC)

How to Fix the DTC B1C48 RAM?

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 B1C48 RAM 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.

Need more information about the B1C48 RAM code?

Need more information on how to fix the B1C48 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1C48 RAM code diagnosed by a professional: Find a repair shop in your area

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 B1C48 RAM Code

1. What are the common symptoms of OBDII code B1C48 RAM related to 1st Row Passenger Retractor Tensioner Circuit High?

The common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the passenger seatbelt tensioner system.

2. What could be the causes of OBDII code B1C48 RAM indicating 1st Row Passenger Retractor Tensioner Circuit High?

Potential causes may include a faulty passenger seatbelt tensioner, damaged wiring or connectors in the circuit, or a problem with the airbag control module.

3. How can I diagnose the OBDII code B1C48 RAM for the 1st Row Passenger Retractor Tensioner Circuit High?

Diagnosis typically involves using a professional OBDII scanner to read the specific fault code, inspecting the seatbelt tensioner system for any visible damage, and checking the wiring connections for continuity.

4. Is it safe to drive with OBDII code B1C48 RAM related to the 1st Row Passenger Retractor Tensioner Circuit High?

It is not recommended to drive with this code present, as it indicates a potential issue with the passenger seatbelt tensioner system, which is crucial for occupant safety in the event of a collision.

5. Can I reset the OBDII code B1C48 RAM for the 1st Row Passenger Retractor Tensioner Circuit High?

While you can clear the code temporarily, it is important to diagnose and repair the underlying issue causing the fault code to prevent it from reoccurring.

6. What are some repair tips for addressing OBDII code B1C48 RAM indicating 1st Row Passenger Retractor Tensioner Circuit High?

Repair tips may include checking and repairing any damaged wiring or connectors, replacing the faulty passenger seatbelt tensioner if necessary, and resetting the airbag system after repairs are completed.

7. How much does it typically cost to repair OBDII code B1C48 RAM for the 1st Row Passenger Retractor Tensioner Circuit High?

The cost of repair can vary depending on the specific cause of the issue, but it may involve expenses for parts replacement, labor costs, and potential diagnostic fees.

8. Can I fix OBDII code B1C48 RAM related to 1st Row Passenger Retractor Tensioner Circuit High myself?

While some basic troubleshooting like checking wiring connections can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for a proper diagnosis and repair of this issue for safety reasons.

9. Will OBDII code B1C48 RAM cause my vehicle to fail an emissions test?

This code is related to the airbag system and is unlikely to cause your vehicle to fail an emissions test. However, it is still important to address the issue promptly to ensure overall safety and compliance with vehicle regulations.

10. How long does it take to repair OBDII code B1C48 RAM for the 1st Row Passenger Retractor Tensioner Circuit High?

The repair time can vary based on the complexity of the issue, availability of parts, and the mechanic's expertise. It is best to consult with a professional to get an estimate of the repair duration.