B2350: Steering Column Switch Circuit Short to Battery
The B2350 code indicates that the vehicle's control module has detected a short circuit to battery voltage (high voltage) in the steering column switch circuit. This circuit includes switches integrated into the steering column, such as those for lights, turn signals, wipers, or cruise control, depending on the vehicle configuration. A short to battery means the circuit is receiving constant voltage when it shouldn't, which can be caused by damaged wiring insulation or an internal fault in the switch module. This code is specific to Ford and its associated brands, as B2350 is not a generic SAE OBD-II code.
1. Commonly Affected Makes
2. Most Common Causes
- Damaged insulation on steering column switch wiring causing a short to battery power
- Internally damaged steering column switch with shorted circuit traces
- Steering column switch connector with bent pins, corrosion, or moisture causing a short
- Body control module (BCM) or steering column control module internal failure (less common)
- Aftermarket electrical accessories or modifications interfering with the column circuit
3. Symptoms You Will Notice
- Malfunctioning steering column switches (e.g., turn signals, wipers, cruise control)
- Switches may operate erratically or not at all
- Possible blown fuses related to the steering column circuit
4. Step-by-Step Diagnosis
Scan for additional codes and record freeze frame data
Visually inspect steering column switch wiring and connector for damage, corrosion, or shorts
Test the steering column switch circuit for voltage and continuity using a multimeter
Check for any aftermarket accessories tied into the column circuit
If wiring and switch appear okay, test the BCM or steering column module for proper operation
5. Frequently Asked Questions
Is it safe to drive?▼
It is generally safe to drive short distances, but malfunctioning switches (e.g., turn signals, wipers) can be a safety hazard. Have the issue diagnosed and repaired promptly.
How much does it cost to fix?▼
Repair costs vary widely. A simple wiring repair may cost $100-$200, while replacing a steering column switch assembly can range from $200-$500, plus labor. If the BCM needs replacement, costs can exceed $800.