P2068 code meaning
Fuel Level Sensor B Circuit High
Powertrain system Generic code P20xx codes Check engine light
What P2068 means
P2068 is the upper limit fault of the second fuel level sender: its signal sits above anything a working sender can produce, which normally means an open circuit, a lost sender ground or a short to a supply voltage. Ford reports it above 200 ohms, more than 253 A/D counts, using the same 30 s electrical check as for sender A. GM's 2020 dual-tank table needs 100 out of 125 samples with the secondary sender above 60 % of the 5 V span, Type B. Mercedes lists it as P206800, the secondary fill level sender shorted to plus. Ford SSM 52771 covers 2024 Bronco Sport, Escape and Corsair that displayed Fuel Level Low with the MIL and P2068 although the tank was not low; its pinpoint test was rewritten. Because the gauge combines both senders, one bad reading skews the whole display.
P2068 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modeNot expected
- Repair difficultyMedium, DIY possible
- Typical labor0.3 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2068
- Low fuel warning or empty gauge with fuel in the tank
- MIL on
- Range estimate jumps or is implausible
Common causes of P2068
- Most likelyOpen signal or ground wire, unplugged sender connector
- PossibleSender card worn through or wiper lifted off the track
- Less likelySignal wire shorted to a supply voltage
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Fuel level sensor b
What each part of P2068 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 0 | Area: fuel and air metering and auxiliary emission controls. |
| 68 | The exact fault in that area. |
What to do next
- Note P2068 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 P2068
What does P2068 mean?
P2068 means "Fuel Level Sensor B Circuit High". P2068 is the upper limit fault of the second fuel level sender: its signal sits above anything a working sender can produce, which normally means an open circuit, a lost sender ground or a short to a supply voltage. It is a generic code, so it means the same on every make.
Is it safe to drive with P2068?
Usually yes, for a short time, if the check engine light is steady and the car drives normally. If the light flashes or the car runs badly, stop and have it checked.
Will P2068 fail an emissions test?
Yes, it can. P2068 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 P2068 to fix?
Difficulty: medium. A typical repair takes 0.3 to 3 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P2068 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.