P2A61 code meaning
Alternative Fuel Tank B Level Sensor Circuit Low
Powertrain system Generic code P2Axx codes Check engine light
What P2A61 means
P2A61 is stored when the tank B level signal falls below the smallest voltage the sender produces even with the tank empty. Roush's manual for its dual-tank propane trucks names a sender wire shorted to ground or a damaged sender as causes of the low case and adds that the second-tank code P2067 leaves only the primary tank on the gauge. A Hall-type float module with ratiometric output, such as Rochester's for LPG tanks, can also read low when its supply voltage is missing. The driver sees tank B as empty or ignored, and the usable range on gas appears shorter than it is. No manufacturer documents P2A61 itself. Check for chafed wiring near the tank mounting first, then measure supply and ground at the sender.
P2A61 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modeNot expected
- Repair difficultyMedium
- Typical labor0.5 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2A61
- Check engine light
- Tank B shown empty or left out of the gauge
- Shorter displayed gas range
Common causes of P2A61
- Most likelySender signal wire of tank B shorted to ground
- PossibleTank B sender damaged
- PossibleSupply voltage of a Hall-type sender missing
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Alt fuel tank b level sensorWiring harnessAfcm
What each part of P2A61 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| A | Area: hybrid propulsion. |
| 61 | The exact fault in that area. |
What to do next
- Note P2A61 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 P2A61
What does P2A61 mean?
P2A61 means "Alternative Fuel Tank B Level Sensor Circuit Low". P2A61 is stored when the tank B level signal falls below the smallest voltage the sender produces even with the tank empty. It is a generic code, so it means the same on every make.
Is it safe to drive with P2A61?
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 P2A61 fail an emissions test?
Yes, it can. P2A61 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 P2A61 to fix?
Difficulty: medium. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will P2A61 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.