B1492 Code - Ignition Cylinder Sensor Open Circuit
Quick Answer
The Body Control Module (BCM) monitors the Ignition Cylinder Sensor. Common causes include Faulty Ignition Cylinder Sensor, Ignition Cylinder Sensor harness is open or shorted, Ignition Cylinder Sensor 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
- B1492 indicates Ignition Cylinder Sensor Open Circuit.
- Common causes
- Common causes include Faulty Ignition Cylinder Sensor, Ignition Cylinder Sensor harness is open or shorted, Ignition Cylinder Sensor 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 B1492 Description
What are the Possible Causes of the DTC B1492?
- Faulty Ignition Cylinder Sensor
- Ignition Cylinder Sensor harness is open or shorted
- Ignition Cylinder Sensor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1492?
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 B1492 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 B1492 Code
1. What are the common symptoms of OBDII code B1492 (Ignition Cylinder Sensor Open Circuit)?
- Common symptoms include difficulty starting the vehicle, intermittent stalling, and the inability to turn the ignition key.
2. What can cause the ignition cylinder sensor open circuit code B1492?
- The code can be triggered by a faulty ignition cylinder sensor, damaged wiring, loose connections, or a defective ignition switch.
3. How serious is the OBDII code B1492 (Ignition Cylinder Sensor Open Circuit)?
- While the vehicle may still be operable with this code, it is important to address it promptly to avoid potential ignition and starting issues.
4. Can I continue driving with the B1492 code present?
- It's not recommended to drive with the code active, as it can lead to unpredictable ignition-related problems and potential safety hazards.
5. How can I diagnose the cause of the B1492 code?
- A thorough inspection of the ignition cylinder sensor, wiring harness, and connections is necessary to pinpoint the exact cause of the open circuit fault.
6. What are some repair tips for fixing OBDII code B1492?
- Repair options may include replacing the faulty ignition cylinder sensor, repairing damaged wiring, securing loose connections, or replacing the ignition switch if necessary.
7. Can I reset the B1492 code without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it's crucial to address the root cause to prevent the code from reoccurring.
8. How much does it typically cost to repair the B1492 code?
- The cost of repair can vary depending on the specific cause of the code, but it may involve parts and labor expenses ranging from $100 to $300 or more.
9. Is it possible to prevent the B1492 code from appearing again in the future?
- Regular maintenance and inspection of the ignition system, including the sensor and wiring, can help prevent the recurrence of the ignition cylinder sensor open circuit fault.
10. Can I fix the B1492 code myself, or should I take it to a professional mechanic?
- While some DIY enthusiasts may be able to address the issue, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair of the B1492 code.
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