P1399 Cadillac Code - Wheel Speed Sensor 2 G-Sensor Circuit Intermittent
Quick Answer
The P1399 diagnostic trouble code for Cadillac vehicles specifically refers to an issue with the Wheel Speed Sensor 2 G-Sensor Circuit that is intermittent. Common causes include Damaged or corroded wiring/connectors, Faulty wheel speed sensor, Corrosion or debris affecting sensor readings. 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
- P1399 Cadillac indicates Wheel Speed Sensor 2 G-Sensor Circuit Intermittent.
- Common causes
- Common causes include Damaged or corroded wiring/connectors, Faulty wheel speed sensor, Corrosion or debris affecting sensor readings.
- 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 P1399 Cadillac Description
The P1399 diagnostic trouble code for Cadillac vehicles specifically refers to an issue with the Wheel Speed Sensor 2 G-Sensor Circuit that is intermittent. This sensor is a crucial component of the vehicle's anti-lock braking system (ABS) and traction control system. The wheel speed sensor measures the rotational speed of the wheels and sends this information to the ABS control module, allowing it to prevent wheel lockup during braking and maintain traction during acceleration.
Common Causes of P1399 Cadillac
- Damaged or corroded wiring/connectors
- Faulty wheel speed sensor
- Corrosion or debris affecting sensor readings
- Issues with the ABS control module
- Electrical shorts or open circuits in the G-sensor circuit
Symptoms of P1399 Cadillac
- ABS warning light illuminated on the dashboard
- Traction control system malfunction
- Erratic or inconsistent braking performance
- Wheel speed sensor error codes in the vehicle's diagnostic system
- Loss of traction or stability control during driving
How to Fix P1399 Cadillac
- Diagnose the issue using a diagnostic scanner to retrieve the specific error codes and pinpoint the source of the problem.
- Inspect the wiring and connectors for damage, corrosion, or loose connections. Repair or replace as needed.
- Test the wheel speed sensor for proper functioning and replace if faulty.
- Clear the error 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 identify any underlying issues with the ABS control module or other related components.
Cost to Fix P1399 Cadillac
The typical cost to repair a Wheel Speed Sensor 2 G-Sensor Circuit Intermittent issue can vary depending on the specific cause of the problem and the labor rates in your area. In general, the cost of parts for a new wheel speed sensor can range from $50 to $200, while labor costs can range from $100 to $300. Overall, you can expect to pay between $150 and $500 for this repair at a reputable auto repair shop. However, it's important to note that these costs are estimates, and the final cost may vary based on the extent of the repairs needed and the pricing at your chosen repair facility. It's recommended to obtain a detailed quote from a qualified mechanic before proceeding with the repair.
Need more information about the P1399 Cadillac code?
Need more information on how to fix the P1399 Cadillac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1399 Cadillac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1399 Cadillac Code
No Frequently Asked Questions about P1399 Cadillac Code found.
Discuss the causes and fixes for P1399 Cadillac OBDII Code
Code P1399 Cadillac 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.