The OBD code B2549 for Chrysler indicates an issue with the Tonneau Retract Limit Switch circuit.
Symptoms include the Engine Light being ON.
This code is caused by a faulty switch, open/shorted harness, or poor electrical connection.
It’s not a severe issue.
To fix it, inspect the wiring harness, connectors, and switch for any damage or corrosion.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the Chrysler b2549 OBD Code
The vehicle displays a warning light indicating a communication error with the immobilizer module.
- Symptoms: Service Engine Soon Warning Light may illuminate.
- Issues with the immobilizer system.
- Difficulty starting the vehicle.
- Engine stalling while driving.
- Difficulty shifting gears.
Causes of the Chrysler b2549 OBD Code
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Possible triggers for Chrysler fault code B2549 include issues with the ignition switch or key programming.
- B2549 can be caused by a faulty Tonneau Retract Limit Switch.
- A Tonneau Retract Limit Switch harness that is open or shorted.
- A Tonneau Retract Limit Switch circuit with poor electrical connection.
- Or a faulty Power Top Control Module (PTCM).
Fixing Chrysler Error Code b2549 Step By Step
Address the issue by inspecting the ignition switch and related wiring for faults or damage.
- To fix Chrysler OBDII code B2549, start by reviewing the possible causes and visually inspecting the wiring harness and connectors.
- Check for any damaged components and examine the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, perform a thorough check of the steering column control module (SCCM) and its connections.
- Ensure the SCCM is securely mounted and all connections are tight.
- If no issues are found with the wiring or SCCM, consider reprogramming the SCCM to address any software glitches.
- If reprogramming doesn’t resolve the problem, replacing the SCCM may be necessary to clear the fault code.
Cost Of Fixing Chrysler b2549 Fault Code
The repair for Chrysler fault code B2549 may involve replacing the ignition switch module.
The cost to diagnose and fix Chrysler OBD code B2549 is typically based on an estimated repair time of 1. 0 hour, with labor rates ranging from $75 to $150 per hour.
The total cost will depend on shop rates, complexity of the issue, and any additional parts or services needed.
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Details of the Chrysler b2549 OBD Code
Chrysler fault code B2549 relates to a problem with the immobilizer key.
Chrysler OBD code B2549 indicates a failure in the immobilizer key.
This code is triggered by the Wireless Ignition Node (WIN) module when it detects a communication error or invalid key signal from the key fob.
The WIN module is responsible for validating the key fob signal to allow the vehicle to start.
If the key fob signal is not recognized or is invalid, the WIN module will set code B2549. This code is related to the vehicle’s security system and immobilizer function.
Mechanic’s Tech Notes
For Chrysler fault code B2549, refer to detailed diagnostic information for accurate troubleshooting steps.
To diagnose and fix OBDII code Chrysler B2549, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) network with a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, focusing on broken, bent, or corroded pins.
Ensure all connections are secure.
If the issue persists, consider consulting a professional for further diagnosis and repair.
FAQ
OBD code B2549 in a Chrysler indicates an issue with the Tonneau Retract Limit Switch circuit. Check for faults in the switch, harness, or PTCM.
To diagnose a B2549 fault code in a Chrysler, check for a faulty tonneau retract limit switch, open/shorted harness, poor connection, or faulty PTCM. Inspect wiring and connectors for damage.
Common symptoms of a B2549 fault code in a Chrysler vehicle include the Engine Light ON and possible issues with the Tonneau Retract Limit Switch circuit.
Wrap Up
If your Chrysler is displaying OBDII code b2549 and experiencing issues with the power sliding door, it may be caused by a faulty power sliding door module, damaged wiring harness, or poor electrical connection.
To address Chrysler OBDII code b2549, start by inspecting the wiring harness for any visible damage or corrosion.
Test the connectors for a secure fit and proper electrical continuity.
Consider replacing the power sliding door module if necessary to resolve the issue effectively.
