P1A35 Code - Hybrid Battery 3 Voltage Very Low
Quick Answer
Battery voltage sensors allow the Energy Storage Control Module (ESCM) to monitor the voltage of the batteries in the Energy Storage Box (ESB). Common causes include Faulty Energy Storage Box (ESB) Battery, Faulty Battery Energy Control Module (BECM), Battery Energy Control Module (BECM) harness is open or shorted. 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
- P1A35 indicates Hybrid Battery 3 Voltage Very Low.
- Common causes
- Common causes include Faulty Energy Storage Box (ESB) Battery, Faulty Battery Energy Control Module (BECM), Battery Energy Control Module (BECM) harness is open or shorted.
- 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 P1A35 Description
What are the Possible Causes of the DTC P1A35?
- Faulty Energy Storage Box (ESB) Battery
- Faulty Battery Energy Control Module (BECM)
- Battery Energy Control Module (BECM) harness is open or shorted
- Battery Energy Control Module (BECM) circuit poor electrical connection
How to Fix the DTC P1A35?
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 P1A35 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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Information for Specific Makes
- P1A35 Buick — Hybrid Battery 3 Voltage Very Low
- P1A35 Cadillac — Hybrid Battery 3 Voltage Very Low
- P1A35 Chevrolet — Hybrid Battery 3 Voltage Very Low
- P1A35 GMC — Hybrid Battery 3 Voltage Very Low
- P1A35 Saturn — Hybrid Battery 3 Voltage Very Low
Frequently Asked Questions about P1A35 Code
1. What does the OBDII code P1A35 mean?
P1A35 indicates that the voltage of the hybrid battery cell group 3 is very low, which can affect the performance of the hybrid system.
2. What are the common symptoms of code P1A35?
Symptoms include reduced fuel efficiency, limited hybrid system functionality, warning lights on the dashboard, and possible loss of power.
3. What causes the P1A35 code to appear?
The code is typically caused by a failing or degraded battery cell in group 3, corroded connections, a wiring issue, or a malfunctioning hybrid battery control module.
4. Can I continue driving with a P1A35 code?
While it may be possible to drive, reduced hybrid system performance and potential damage to other components make it important to address the issue promptly.
5. How is the P1A35 code diagnosed?
A technician will use a scan tool to verify the code, inspect the hybrid battery voltage readings, test battery cell group 3, and check for wiring or connection issues.
6. What repairs can fix the P1A35 code?
Repairs may include replacing the defective battery cell group, repairing damaged wiring, cleaning corroded connectors, or reprogramming the hybrid battery control module.
7. How much does it cost to fix a P1A35 code?
Repair costs vary but can range from $500 to $4,000, depending on whether individual cells or the entire hybrid battery needs replacement.
8. Can I clear the P1A35 code without repairs?
Clearing the code without repairs will not resolve the underlying issue and the code will likely reappear. Proper diagnosis and repair are necessary.
9. Is P1A35 specific to certain vehicles?
Yes, P1A35 is commonly associated with hybrid vehicles from manufacturers like Honda, Toyota, and GM, but specifics may vary by make and model.
10. How can I prevent the P1A35 code from occurring?
Regular maintenance, keeping the hybrid battery cool, and addressing warning signs early can help prevent issues leading to this code.
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