B120E RAM Code - Left Heated Seat HI Indicator Control Circuit High
Quick Answer
The Instrument Cluster monitors the Left Heated Seat Switch. Common causes include Faulty Left Heated Seat Switch, Left Heated Seat Switch harness is open or shorted, Left Heated Seat 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
- B120E RAM indicates Left Heated Seat HI Indicator Control Circuit High.
- Common causes
- Common causes include Faulty Left Heated Seat Switch, Left Heated Seat Switch harness is open or shorted, Left Heated Seat 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 B120E RAM Description
What are the Possible Causes of the DTC B120E RAM?
- Faulty Left Heated Seat Switch
- Left Heated Seat Switch harness is open or shorted
- Left Heated Seat Switch circuit poor electrical connection
- Faulty Instrument Cluster
How to Fix the DTC B120E 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 B120E 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 B120E RAM Code
1. What does the OBDII code B120E indicate on a RAM vehicle?
- Code B120E indicates a fault in the Left Heated Seat High Indicator Control Circuit, specifically that the circuit has a high voltage condition.
2. What are the common symptoms of code B120E in a RAM?
- Symptoms may include the left heated seat not functioning, the high heat setting indicator always on or not functioning properly, and possibly other related electrical issues with the seat's heating system.
3. What causes the B120E code to appear in a RAM?
- This code can be triggered by various issues including a faulty heated seat switch, damaged wiring or connectors in the left heated seat circuit, or a malfunctioning heated seat element.
4. How can I fix the B120E code in my RAM?
- To fix this code, check and repair any damaged wiring or connectors associated with the left heated seat. If the wiring is intact, consider replacing the heated seat switch or the heating element if they are found to be faulty.
5. Is it safe to drive my RAM with the B120E code?
- While it's generally safe to drive with this issue as it doesn’t directly affect the drivability of your vehicle, the comfort and functionality of the heated seat will be compromised, which can be an inconvenience in cold weather.
6. Will the B120E code clear on its own if the issue is resolved?
- Once the underlying issue is fixed, the code should be cleared using an OBDII scan tool. The code will not automatically reset without using the scanner to clear it.
7. What tools are needed to diagnose the B120E code on a RAM?
- Diagnosing this code typically requires a multimeter to check for voltages and continuity in the circuit, and an OBDII scanner to read and clear the code from the vehicle’s memory.
8. Could the B120E code affect other components of the vehicle?
- While the code itself is specific to the left heated seat's high indicator control circuit, underlying electrical issues could potentially affect other electrical systems if caused by a more systemic problem like a failing control module.
9. How often does the B120E code occur in RAM vehicles?
- The frequency of this code is not particularly high but can occur in vehicles with aging electrical components or after exposure to excessive moisture that leads to corrosion or short circuits in the heating system.
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