B237C Code - Data Communication Radio Input Circuit High
Quick Answer
The Multi-Purpose Module (Police And Taxi Interface Module-PTIM) monitors the Data Communication Radio Input Circuit. Common causes include Faulty Police Radio, Police Radio harness is open or shorted, Police 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
- B237C indicates Data Communication Radio Input Circuit High.
- Common causes
- Common causes include Faulty Police Radio, Police Radio harness is open or shorted, Police 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 B237C Description
What are the Possible Causes of the DTC B237C?
- Faulty Police Radio
- Police Radio harness is open or shorted
- Police Radio circuit poor electrical connection
- Faulty Multi-Purpose Module (Police And Taxi Interface Module-PTIM)
How to Fix the DTC B237C?
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 B237C 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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Information for Specific Makes
- B237C Chrysler — Data Communication Radio Input Circuit High
- B237C Dodge — Data Communication Radio Input Circuit High
- B237C Jeep — Data Communication Radio Input Circuit High
- B237C RAM — Data Communication Radio Input Circuit High
Frequently Asked Questions about B237C Code
1. What does OBDII code B237C mean?
Code B237C indicates a "Data Communication Radio Input Circuit High" fault, meaning there’s an issue with the data communication line to the radio system, such as a high voltage or signal problem.
2. What are the common symptoms of code B237C?
Common symptoms include the radio not functioning, loss of sound output, intermittent audio issues, or the infotainment system failing to respond.
3. What causes OBDII code B237C to appear?
This code can be caused by damaged wiring or connectors in the radio input circuit, a faulty radio unit, or an issue with the vehicle’s communication network.
4. Can a discharged battery trigger code B237C?
Yes, a weak or discharged battery can cause communication-related faults, including B237C, due to insufficient power to the system.
5. How can I diagnose the B237C code?
Start by visually inspecting the wiring and connectors related to the radio system for damage or corrosion. Use a scan tool to check for related communication faults and test the voltage and continuity of the circuit.
6. Is it safe to drive with the B237C code?
Yes, it’s generally safe to drive with this code, but you may lose functionality in your radio or infotainment system.
7. How do I fix code B237C?
Repairs may involve replacing damaged wiring or connectors, resetting the system, or replacing the radio unit if it’s defective.
8. Can a software update fix the B237C code?
In some cases, a software update for the vehicle’s infotainment system can resolve communication issues like B237C.
9. How much does it cost to repair the B237C code?
Repair costs can vary depending on the cause, but simple wiring repairs may cost $50-$100, while replacing a radio unit can cost $300-$1,000 or more.
10. Can I clear the B237C code without repairs?
Clearing the code with a scan tool may temporarily remove it, but if the underlying issue isn’t fixed, the code will likely return.
Discuss the causes and fixes for B237C OBDII Code
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