B273A:02 Code - Hill Descent Control Switch Short to Ground
Quick Answer
The B273A:02 diagnostic trouble code indicates that there is a short to ground in the hill descent control switch circuit. Common causes include Water intrusion into the switch or wiring, Damaged wiring in the hill descent control circuit, Faulty hill descent control switch. 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
- B273A:02 indicates Hill Descent Control Switch Short to Ground.
- Common causes
- Common causes include Water intrusion into the switch or wiring, Damaged wiring in the hill descent control circuit, Faulty hill descent control switch.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B273A:02 Description
The B273A:02 diagnostic trouble code indicates that there is a short to ground in the hill descent control switch circuit. The hill descent control system is designed to assist the driver when descending steep inclines by automatically applying the brakes to maintain a controlled speed. When the control switch is shorted to ground, it can prevent the system from functioning properly, potentially compromising the vehicle's ability to safely navigate downhill terrain.
Common Causes of B273A:02
- Water intrusion into the switch or wiring
- Damaged wiring in the hill descent control circuit
- Faulty hill descent control switch
- Corrosion in the electrical connections
- Manufacturing defects in the control module
Symptoms of B273A:02
- Inoperative hill descent control system
- Illuminated hill descent control warning light on the dashboard
- Loss of control when descending steep inclines
- Increased brake wear due to manual control of descent speed
How to Fix B273A:02
- Begin by diagnosing the specific cause of the short to ground in the hill descent control switch circuit using a diagnostic scanner.
- Inspect the wiring and connections for any signs of damage, corrosion, or water intrusion. Repair or replace any damaged components.
- Test the hill descent control switch for proper functionality and replace if necessary.
- Clear the diagnostic trouble codes from the vehicle's system and test drive to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be required to pinpoint the exact cause of the short to ground.
Cost to Fix B273A:02
The typical repair costs for addressing a hill descent control switch short to ground issue can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500. It's important to note that these estimates are approximate and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at the auto repair shop. It is recommended to consult with a professional mechanic to get an accurate cost estimate for this repair.
Need more information about the B273A:02 code?
Need more information on how to fix the B273A:02 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B273A:02 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B273A:02 Code
1. What does the OBDII code B273A:02 mean?
It indicates a "Hill Descent Control Switch Short to Ground," meaning the circuit for the hill descent control switch has an electrical short to ground.
2. What are the common symptoms of code B273A:02?
Symptoms may include the hill descent control system not functioning, an illuminated warning light, or erratic behavior of the hill descent control switch.
3. What causes code B273A:02 to appear?
Common causes include damaged wiring, a faulty hill descent control switch, or corrosion in the electrical connectors.
4. Can I still drive my vehicle with code B273A:02?
Yes, but the hill descent control system may not work, which could affect safety when driving on steep declines.
5. How do I diagnose code B273A:02?
Start by inspecting the wiring and connectors for damage or corrosion. Then test the hill descent control switch and its circuit for proper operation.
6. What tools are needed to repair code B273A:02?
You may need a multimeter for electrical testing, a diagnostic scanner to clear the code, and basic tools to repair or replace wiring and components.
7. How do I fix code B273A:02?
Repair or replace damaged wiring, clean corroded connectors, or replace the hill descent control switch if it’s faulty.
8. Will clearing the code fix the problem permanently?
No, clearing the code will remove it temporarily, but the underlying issue must be repaired to prevent the code from returning.
9. What is hill descent control, and why is it important?
Hill descent control helps maintain a controlled speed when driving downhill, improving safety. A fault in the system can compromise this feature.
10. How much does it cost to repair code B273A:02?
Costs can vary depending on whether it’s a simple wiring repair or if the hill descent control switch needs to be replaced. Expect to pay between $50 and $200 for most repairs.
Discuss the causes and fixes for B273A:02 OBDII Code
Code B273A:02 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.