P1E9B
Hybrid/EV Battery Interface Control Module 3 Random Access Memory Performance
P1E9B is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 3 Random Access Memory Performance. Common causes: control module software failure, damage to module ram. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Problems with charging a high-voltage battery
- The vehicle goes into emergency mode
- Error message on the dashboard
Causes
- Control module software failure
- Damage to module RAM
- Control module power problems
- Short circuit in the module circuit
- Physical damage to the module
How to Fix
- Diagnostics of the control module using a scanner
- Attempting to flash the module software
- Checking the power supply and grounding circuits of the module
- Replacing the Battery Interface Control Module
- Checking the condition of the high-voltage battery
Related codes
FAQ
What does the P1E9B code mean?
P1E9B is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 3 Random Access Memory Performance
What causes a P1E9B error code?
The most common causes of P1E9B include: Control module software failure; Damage to module RAM; Control module power problems; Short circuit in the module circuit.
How do I fix a P1E9B diagnostic trouble code?
To fix P1E9B: Diagnostics of the control module using a scanner. Attempting to flash the module software. Checking the power supply and grounding circuits of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E9B?
Do not drive — repair immediately
How much does it cost to fix P1E9B?
The estimated repair cost for P1E9B is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat