P2D7E code meaning
Charging Start Switch Circuit
What P2D7E means
P2D7E is the umbrella circuit code for a charging start switch, the control with which a person begins a charging session by hand, for example to override a charging timer. It is set when the start switch line delivers no usable signal; the split into high, low, performance and intermittent follows in P2D7F to P2D82. No manufacturer documents P2D7E publicly. Patents show the part: Honda's early electric vehicle charger began charging only after its charge start switch was turned on, and Toyota's wireless charging system lets a passenger in the car or a person on the ground start charging with such a switch. CARB treats monitored hybrid parts as inputs that must be tested for circuit faults. Charging by button fails, while plug-in or timer charging may still work.
P2D7E at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyMedium
- Typical labor0.5 to 2.5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2D7E
- Pressing the start button does not begin charging
- Charging only begins at the programmed timer time
Common causes of P2D7E
- Most likelyLoose, corroded or unplugged connector at the start switch
- PossibleBroken wire between start switch and charging control unit
- PossibleStart switch itself defective
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Charging start switchWiring harness
What each part of P2D7E means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 7E | The exact fault in that area. |
What to do next
- Note P2D7E 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 P2D7E
What does P2D7E mean?
P2D7E means "Charging Start Switch Circuit". P2D7E is the umbrella circuit code for a charging start switch, the control with which a person begins a charging session by hand, for example to override a charging timer. It is a generic code, so it means the same on every make.
Is it safe to drive with P2D7E?
P2D7E does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will P2D7E fail an emissions test?
P2D7E is not an emissions code, so on its own it usually does not fail an emissions test. Other stored codes or a lit check engine light still can.
How hard is P2D7E to fix?
Difficulty: medium. A typical repair takes 0.5 to 2.5 hours of work. This is a job for a workshop.
Will P2D7E clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.