P135A Buick Code - Ignition Coil Supply Voltage Circuit Bank 1
Quick Answer
The ignition system uses an individual ignition coil for each cylinder. Common causes include Blown Ignition Coil Fuse, Ignition Coil Fuse harness is open or shorted, Ignition Coil Fuse 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
- P135A Buick indicates Ignition Coil Supply Voltage Circuit Bank 1.
- Common causes
- Common causes include Blown Ignition Coil Fuse, Ignition Coil Fuse harness is open or shorted, Ignition Coil Fuse 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 P135A Buick Description
What are the Possible Causes of the DTC P135A Buick?
- Blown Ignition Coil Fuse
- Ignition Coil Fuse harness is open or shorted
- Ignition Coil Fuse circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P135A Buick?
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 P135A Buick 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.
Need more information about the P135A Buick code?
Need more information on how to fix the P135A Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P135A Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P135A Buick Code
1. What are the common symptoms of OBDII code P135A in a Buick related to the Ignition Coil Supply Voltage Circuit Bank 1?
- Common symptoms include rough engine idle, engine misfires, lack of power, and illuminated Check Engine light.
2. What can cause the OBDII code P135A to trigger in a Buick's Ignition Coil Supply Voltage Circuit Bank 1?
- Possible causes can include a faulty ignition coil, damaged wiring or connectors, a defective ignition control module, or a problem with the vehicle's power supply.
3. How does the OBDII code P135A affect the performance of a Buick when related to the Ignition Coil Supply Voltage Circuit Bank 1?
- This code can lead to poor engine performance, decreased fuel efficiency, and potential damage to the catalytic converter if left unresolved.
4. What should be the first step in diagnosing and repairing OBDII code P135A in a Buick's Ignition Coil Supply Voltage Circuit Bank 1?
- The first step is to perform a thorough visual inspection of the ignition coil, wiring, and connectors to check for any obvious signs of damage or wear.
5. Are there any DIY tips for addressing OBDII code P135A in a Buick related to the Ignition Coil Supply Voltage Circuit Bank 1?
- DIY enthusiasts can start by checking the ignition coil connections, cleaning any corrosion, and ensuring all electrical connections are secure before seeking professional help if needed.
6. Can a loose gas cap cause OBDII code P135A related to the Ignition Coil Supply Voltage Circuit Bank 1 in a Buick?
- While a loose gas cap is not a direct cause of this specific code, it is always recommended to ensure the gas cap is tightly sealed to prevent other potential issues.
7. How important is it to address OBDII code P135A promptly in a Buick's Ignition Coil Supply Voltage Circuit Bank 1?
- It is crucial to address this code promptly to prevent further damage to the engine, ensure optimal performance, and avoid potential safety hazards on the road.
8. Is it safe to continue driving a Buick with OBDII code P135A related to the Ignition Coil Supply Voltage Circuit Bank 1?
- While it may be possible to drive the vehicle short distances with this code, it is recommended to have the issue diagnosed and repaired as soon as possible to prevent any complications.
9. Can extreme weather conditions impact the likelihood of OBDII code P135A occurring in a Buick's Ignition Coil Supply Voltage Circuit Bank 1?
- Extreme weather conditions, such as excessive heat or cold, can potentially exacerbate existing issues related to the ignition coil and contribute to triggering this code.
10. How much does it typically cost to repair OBDII code P135A in a Buick's Ignition Coil Supply Voltage Circuit Bank 1?
- The cost of repair can vary depending on the specific issue identified, but it is advisable to budget for diagnostic fees, parts replacement costs, and labor charges when addressing this code.
Discuss the causes and fixes for P135A Buick OBDII Code
Code P135A Buick 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.
