B157E RAM Code - Touch Screen Locked
Quick Answer
The Diagnostic Trouble Code (DTC) set when the Radio detects a closed switch for 60 seconds. Common causes include Faulty Radio, Radio harness is open or shorted, Radio 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
- B157E RAM indicates Touch Screen Locked.
- Common causes
- Common causes include Faulty Radio, Radio harness is open or shorted, Radio 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.
Code B157E RAM Description
What are the Possible Causes of the DTC B157E RAM?
- Faulty Radio
- Radio harness is open or shorted
- Radio circuit poor electrical connection
How to Fix the DTC B157E 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 B157E 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.
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Frequently Asked Questions about B157E RAM Code
1. What does the OBDII code B157E mean on a RAM vehicle?
The code B157E indicates that the touch screen in your RAM vehicle is locked or unresponsive, often due to a software or hardware issue.
2. What are the common symptoms of the B157E code?
The most common symptoms include an unresponsive or frozen touch screen, inability to access vehicle settings, and non-functional infotainment features.
3. What causes the B157E code to appear?
This code is typically caused by software glitches, outdated firmware, corrupted system files, or a hardware failure in the touch screen or associated modules.
4. Can a soft reset fix the B157E code?
Yes, performing a soft reset of the infotainment system can sometimes resolve the issue if it is related to a temporary software glitch.
5. How do I perform a soft reset on a RAM touch screen?
To perform a soft reset, press and hold the volume and tuner knobs simultaneously for about 10-20 seconds until the screen restarts.
6. Is an outdated software version a common cause of the B157E code?
Yes, outdated software can lead to compatibility issues and glitches, which may trigger the B157E code.
7. Can a faulty touch screen hardware cause the B157E code?
Yes, physical damage to the touch screen or a malfunctioning display module can result in this code being set.
8. Do I need to replace the touch screen to fix the B157E code?
Not necessarily. First, try updating the software or performing a reset. Replacement is only needed if the hardware is confirmed to be faulty.
9. How can I update the software on my RAM touch screen?
You can update the software by visiting your local dealership or downloading the update from the manufacturer’s website and installing it via USB.
10. Should I take my vehicle to a professional for the B157E code?
If resets and software updates don’t resolve the issue, it’s best to consult a dealership or qualified technician to diagnose and repair the problem.
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