B1A12 RAM Code - Remote Keyless Entry Fob 3 Battery Low
Quick Answer
The Totally Integrated Power Module (TIPM) monitors the Remote Keyless Entry (RKE) Fob. Common causes include Low Keyless Entry Fob (RKE) Transmitter Battery, Faulty Keyless Entry Fob (RKE) Transmitter, Faulty Totally Integrated Power Module (TIPM). 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
- B1A12 RAM indicates Remote Keyless Entry Fob 3 Battery Low.
- Common causes
- Common causes include Low Keyless Entry Fob (RKE) Transmitter Battery, Faulty Keyless Entry Fob (RKE) Transmitter, Faulty Totally Integrated Power Module (TIPM).
- 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 B1A12 RAM Description
What are the Possible Causes of the DTC B1A12 RAM?
- Low Keyless Entry Fob (RKE) Transmitter Battery
- Faulty Keyless Entry Fob (RKE) Transmitter
- Faulty Totally Integrated Power Module (TIPM)
How to Fix the DTC B1A12 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 B1A12 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 B1A12 RAM Code
1. What does the OBDII code B1A12 mean?
Code B1A12 indicates that the battery in the third remote keyless entry (RKE) fob for a RAM vehicle is low.
2. What are the symptoms of the B1A12 code?
Symptoms include a warning message on the vehicle's dashboard, reduced range for the key fob, or the inability to unlock or start the vehicle using the affected fob.
3. What causes the B1A12 code to appear?
The primary cause is a low or depleted battery in the third remote key fob.
4. How can I fix the B1A12 code?
Replace the battery in the affected key fob with a new one, ensuring you use the correct battery type.
5. How do I know which key fob is the third one?
The third key fob is typically listed in the vehicle's system configuration. Refer to your owner’s manual or test each fob to identify the one with a low battery.
6. Will the B1A12 code clear automatically after replacing the battery?
In most cases, the code will clear automatically once the battery is replaced, but you may need to use a scan tool to clear it manually if it persists.
7. What type of battery do I need for the key fob?
Most RAM key fobs use a CR2032 or similar coin cell battery. Check your owner’s manual or the current battery for the exact type.
8. Can I keep using the key fob with a low battery?
While it may work temporarily, a low battery can result in intermittent functionality or complete failure, so it’s best to replace it promptly.
9. Does the B1A12 code affect vehicle performance?
No, this code only pertains to the affected key fob and does not impact the vehicle’s overall performance.
10. Do I need to reprogram the key fob after replacing the battery?
Typically, no reprogramming is needed after replacing the battery, but if the fob doesn't function, consult your owner’s manual or dealer for assistance.
Discuss the causes and fixes for B1A12 RAM OBDII Code
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