AutoCodes – Chrysler – B2738 Chrysler

B2738 Chrysler Code - Center Pedestrian Protection Satellite Acceleration Sensor

Quick Answer

The Pedestrian Protection Satellite Sensors perform internal self-tests and communicate the sensors status using power supplied by the Occupant Restraint Controller (ORC). Common causes include Faulty Center Pedestrian Protection Satellite Acceleration Sensor, Center Pedestrian Protection Satellite Acceleration Sensor harness is open or shorted, Center Pedestrian Protection Satellite Acceleration Sensor 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: B2738 Chrysler indicates Center Pedestrian Protection Satellite Acceleration Sensor.
Common causes: Common causes include Faulty Center Pedestrian Protection Satellite Acceleration Sensor, Center Pedestrian Protection Satellite Acceleration Sensor harness is open or shorted, Center Pedestrian Protection Satellite Acceleration Sensor 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 1,643

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 Jan 26, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B2738 Chrysler Description

The Pedestrian Protection Satellite Sensors perform internal self-tests and communicate the sensors status using power supplied by the Occupant Restraint Controller (ORC). The sensor communicates this internal failure message using the sensor signal circuit. If the scan tool shows this Diagnostic Trouble Code (DTC) has a Stored history of setting then the PPS Sensor is to be replaced.
This DTC sets when the ORC receives notification of a self test failure within the impact sensor within 100 ms for continuous test and 1 second for startup test. Once set, this DTC is latched for the entire ignition cycle or until the clear faults scan tool command is used, depending on the specific condition that sets the DTC.

OBDII Code B2738 Chrysler - Center Pedestrian Protection Satellite Acceleration Sensor - AutoCodes.com — B2738 Chrysler Code - Center Pedestrian Protection Satellite Acceleration Sensor

What does this mean?

What are the Possible Causes of the DTC B2738 Chrysler?

Faulty Center Pedestrian Protection Satellite Acceleration Sensor
Center Pedestrian Protection Satellite Acceleration Sensor harness is open or shorted
Center Pedestrian Protection Satellite Acceleration Sensor circuit poor electrical connection
Faulty Occupant Restraint Controller (ORC)

How to Fix the DTC B2738 Chrysler?

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 does this mean?

Code Tech Notes

B2738-49 CENTER PEDESTRIAN PROTECTION SATELLITE ACCELERATION SENSOR MISSING MESSAGE
B2738-78 CENTER PEDESTRIAN PROTECTION SATELLITE SENSOR ALIGNMENT OR ADJUSTMENT INCORRECT

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2738 Chrysler 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 B2738 Chrysler code?

Need more information on how to fix the B2738 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2738 Chrysler 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 B2738 Chrysler Code

1. What are the common symptoms of OBDII code B2738 in a Chrysler related to the Center Pedestrian Protection Satellite Acceleration Sensor?

- Common symptoms include the illumination of the check engine light, potential issues with the pedestrian protection system, and possible communication errors with the acceleration sensor.

2. What are the possible causes of OBDII code B2738 in a Chrysler?

- Possible causes may include a malfunctioning acceleration sensor, wiring or connection issues, software glitches, or a fault in the pedestrian protection system.

3. How can I diagnose OBDII code B2738 in my Chrysler?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific code, checking the condition of the acceleration sensor and related components, and inspecting the wiring and connections for any faults.

4. What are some repair tips for addressing OBDII code B2738 in a Chrysler?

- Repair tips may include clearing the code and resetting the system, checking and repairing any damaged wiring or connections, recalibrating the acceleration sensor, or updating the system software.

5. Can OBDII code B2738 in a Chrysler be fixed without professional help?

- While some simple repairs like checking connections can be done by DIY enthusiasts, addressing the root cause of the code may require professional diagnostic tools and expertise.

6. Is it safe to drive my Chrysler with OBDII code B2738 present?

- It is generally not recommended to drive the vehicle with this code active, as it may indicate issues with critical safety systems like the pedestrian protection feature.

7. Will OBDII code B2738 cause my Chrysler to fail an emissions test?

- Depending on the regulations in your location, a pending or active OBDII code like B2738 may cause your Chrysler to fail an emissions test.

8. How much does it typically cost to repair OBDII code B2738 in a Chrysler?

- Repair costs can vary widely depending on the exact cause of the code, but they may range from a simple fix like reconnecting a wire to more complex repairs involving sensor replacement or system recalibration.

9. Can OBDII code B2738 in a Chrysler cause other issues if left unresolved?

- Leaving this code unresolved may lead to further malfunctions in the pedestrian protection system or related safety features, potentially compromising the vehicle's overall safety.

10. How long does it usually take to repair OBDII code B2738 in a Chrysler?

- The repair time can vary based on the complexity of the issue; while some fixes may be quick, others may require thorough diagnostic work and component replacement, leading to longer repair times.