P2BE6 code meaning
Hybrid/EV Battery Pack Current Sensor C Low
Powertrain system Generic code P2Bxx codes Check engine light
What P2BE6 means
P2BE6 is set when the output of current sensor C drops below the lowest value it can deliver in normal service. Unlike its A and B siblings, the official title omits the word circuit, but the meaning is the same out-of-range low check. No manufacturer documents P2BE6 publicly. GM's test for the coarse channel of sensor A (P0AC1) gives the scale: a converted current below -573 A (ADC count under 82) for 1.6 s within 2 s fails it, Type A, one trip. A signal shorted to ground, a missing sensor supply or a broken sensor are the usual reasons. CARB requires out-of-range checks for hybrid inputs. Without this value the controller reduces battery power; the high side is P2BE7, the plausibility code P2BE5.
P2BE6 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyWorkshop only
- Typical labor1 to 5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2BE6
- MIL and hybrid or EV warning on
- Reduced power, possibly no ready mode
Common causes of P2BE6
- Most likelySignal wire shorted to ground
- PossibleSensor supply voltage missing
- PossibleCurrent sensor C defective
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Hv battery pack current sensor cWiring harnessBms
What each part of P2BE6 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| B | Area: hybrid propulsion. |
| E6 | The exact fault in that area. |
What to do next
- Note P2BE6 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P2BE6
What does P2BE6 mean?
P2BE6 means "Hybrid/EV Battery Pack Current Sensor C Low". P2BE6 is set when the output of current sensor C drops below the lowest value it can deliver in normal service. It is a generic code, so it means the same on every make.
Is it safe to drive with P2BE6?
Drive gently and only to a workshop. With P2BE6 the car can go into limp mode (reduced power) to protect itself.
Will P2BE6 fail an emissions test?
Yes, it can. P2BE6 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P2BE6 to fix?
Difficulty: workshop only. A typical repair takes 1 to 5 hours of work. This is a job for a workshop.
Will P2BE6 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.