P1BFC Saturn Code - Hybrid/Electric Vehicle Battery 94 Circuit Performance
Quick Answer
The Hybrid/Electric Vehicle battery pack contains 288 cells. Common causes include Faulty Hybrid/Electric Vehicle Battery Pack, Faulty Hybrid/Electric Vehicle Battery Interface Control Module. 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
- P1BFC Saturn indicates Hybrid/Electric Vehicle Battery 94 Circuit Performance.
- Common causes
- Common causes include Faulty Hybrid/Electric Vehicle Battery Pack, Faulty Hybrid/Electric Vehicle Battery Interface Control Module.
- 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 P1BFC Saturn Description
The battery energy control module monitors the voltage of the 96 battery cell groups through the four hybrid/EV battery interface control modules. Voltage sense circuits are attached to each individual cell group, and these sense circuits terminate at a connector located on the top surface of the battery section. A serviceable auxiliary battery wiring harness joins this connector to a hybrid/EV battery interface control module, also located on the top surface of the battery section. The hybrid/EV battery interface control module encodes the voltage reading and transmits it to the battery energy control module through the battery control harness. There is one hybrid/EV battery interface control module located on battery sections one and two, and two hybrid/EV battery interface control modules associated with battery section three. The hybrid/EV battery interface control module, battery energy control module wiring harness, auxiliary battery wiring harness, and battery energy control module are all considered serviceable components.
The battery energy control module will determine when a fault condition is present. Diagnostics and system status are communicated from the battery energy control module to hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for diagnostic trouble code information.
What are the Possible Causes of the DTC P1BFC Saturn?
- Faulty Hybrid/Electric Vehicle Battery Pack
- Faulty Hybrid/Electric Vehicle Battery Interface Control Module
How to Fix the DTC P1BFC Saturn?
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 P1BFC Saturn 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 P1BFC Saturn Code
1. What does the OBDII code P1BFC mean on a Saturn?
P1BFC indicates an issue with the Hybrid/Electric Vehicle (HEV) battery's circuit, specifically Circuit 94, which is related to the battery's performance or communication.
2. What are the common symptoms of the P1BFC code in a Saturn?
Symptoms may include reduced hybrid or electric vehicle performance, warning lights on the dashboard, limited battery charging, or the vehicle operating in a fail-safe or reduced power mode.
3. What causes the P1BFC code to trigger in a Saturn?
Common causes include a faulty battery module, damaged wiring or connectors in Circuit 94, degraded battery cells, or issues with the battery control module.
4. Can I drive my Saturn with the P1BFC code active?
It’s not recommended to drive the vehicle for an extended period, as the issue can affect battery performance and may lead to reduced power or further damage.
5. How is the P1BFC code diagnosed in a Saturn?
A technician will use a scan tool to retrieve the code and check for related codes, inspect the battery module and circuit wiring, and perform voltage and resistance tests on Circuit 94.
6. What repairs are needed to fix the P1BFC code in a Saturn?
Repairs can include replacing damaged wiring or connectors, reprogramming or replacing the battery control module, or in severe cases, replacing the hybrid battery pack.
7. How much does it cost to repair the P1BFC code on a Saturn?
Repair costs vary but can range from $200 for wiring repairs to over $2,000 for hybrid battery replacement, depending on the severity of the issue.
8. Can a weak 12-volt battery cause the P1BFC code?
A weak or failing 12-volt battery can sometimes contribute to hybrid system errors, but the P1BFC code specifically relates to the high-voltage battery system.
9. Does the P1BFC code always mean the hybrid battery is failing?
Not necessarily. It could be caused by wiring, connectors, or a control module issue rather than the battery itself.
10. Can clearing the P1BFC code fix the problem?
Clearing the code may temporarily reset the warning, but if the underlying issue isn’t resolved, the code will likely return.
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