B1136 Lincoln Code - Audio Steering Wheel Switch #2 Circuit Failure
Quick Answer
Two different steering wheel switch configurations are available, depending on whether the vehicle is equipped with the SYNC system. Common causes include Faulty Audio Steering Wheel Switch, Audio Steering Wheel Switch harness is open or shorted, Audio Steering Wheel Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1136 Lincoln indicates Audio Steering Wheel Switch #2 Circuit Failure.
- Common causes
- Common causes include Faulty Audio Steering Wheel Switch, Audio Steering Wheel Switch harness is open or shorted, Audio Steering Wheel Switch circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1136 Lincoln Description
On vehicles without the SYNC system, all of the steering wheel control switches are wired to the Audio Control Module (ACM). The steering wheel controls are: VOL+, VOL-, SEEK+, SEEK-, and MEDIA. The SEEK+ and SEEK- switches are represented by arrows.
For vehicles equipped with the SYNC system, the steering wheel controls are: VOL+, VOL-, SEEK+, SEEK-, MEDIA, VOICE, PHONE, and OK. The SEEK+ and SEEK- switches are represented by arrows, the VOICE button is represented by an icon of someone speaking, and the PHONE button is represented by an icon of a phone with an up-and-down arrow. The VOICE, PHONE, and OK switches are wired to the accessory protocol interface module (APIM), while the remaining switches are wired to the ACM.
For all switches, a reference voltage is sent from the appropriate module to the steering wheel controls. When a switch is pressed, the voltage is routed through a specific resistor value for each function. The module provides the ground for the reference voltage. The module uses this reference voltage to determine which control input function has been selected.
What are the Possible Causes of the DTC B1136 Lincoln?
- Faulty Audio Steering Wheel Switch
- Audio Steering Wheel Switch harness is open or shorted
- Audio Steering Wheel Switch circuit poor electrical connection
How to Fix the DTC B1136 Lincoln?
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 B1136 Lincoln 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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Frequently Asked Questions about B1136 Lincoln Code
1. What does the OBDII code B1136 mean on a Lincoln?
The B1136 code indicates an issue with the Audio Steering Wheel Switch #2 Circuit, meaning the vehicle's system has detected a failure in the wiring or components related to the audio controls on the steering wheel.
2. What are the common symptoms of code B1136 in a Lincoln?
Symptoms may include unresponsive or malfunctioning audio controls on the steering wheel, erratic behavior of the audio system, or no response when adjusting volume or changing tracks.
3. What causes the B1136 code to appear?
Common causes include damaged wiring or connectors in the steering wheel, a faulty audio control switch, or issues with the clock spring that connects the controls to the vehicle's electronics.
4. How can I diagnose the B1136 code?
Start by visually inspecting the wiring and connectors for damage. Use a multimeter to test for continuity in the circuit and check the clock spring for faults. A scan tool may also help confirm the issue.
5. Can a faulty clock spring trigger the B1136 code?
Yes, a damaged or worn-out clock spring can interrupt the electrical connection between the steering wheel controls and the vehicle's system, causing this code.
6. How do I fix the B1136 Audio Steering Wheel Switch #2 Circuit Failure?
Repairs may involve replacing the faulty audio switch, repairing or replacing damaged wiring, or replacing the clock spring if it is defective.
7. Is it safe to drive with the B1136 code on a Lincoln?
Yes, it is generally safe to drive, as this code affects convenience features and not critical safety systems. However, the issue should be addressed to restore proper functionality.
8. How much does it cost to repair code B1136 in a Lincoln?
The repair cost can vary but typically ranges from $100 to $300, depending on whether the issue lies in the switch, wiring, or clock spring.
9. Can I clear the B1136 code without fixing the problem?
You can clear the code temporarily using an OBDII scanner, but it will likely return if the root cause is not addressed.
10. Do I need professional help to fix the B1136 code?
While some issues, like checking wiring, can be handled by a skilled DIYer, diagnosing and replacing a clock spring or audio switch may require professional expertise.
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