P0D2B: Control Pilot Indicator Control Circuit/Open
What to do
Charging is probably working normally — check the car's app or dashboard rather than the port light before assuming otherwise. Worth fixing, because losing the plug-in confirmation makes every charge a guess.
What this code means
The circuit driving the Control Pilot status indicator is open.
Read the title carefully, because the difference between this code and P0CF3 is the whole of the diagnosis. P0CF3 is the Control Pilot itself — the pin carrying the charging negotiation, without which no charge point anywhere will energise a cable. This is the little light that reports what the pilot is doing. The negotiation is fine; the lamp telling you about it is not.
So the car charges perfectly and appears not to. The owner plugs in, sees nothing, assumes the charge has failed, and unplugs — which is the actual harm here and the reason a lamp fault is worth fixing on an electric car in a way it would not be on a petrol one. On a car whose charging is invisible, the indicator is the only feedback there is at the moment of plugging in.
It is an ordinary low-voltage circuit fault: the driver in the module, the wiring, or the lamp.
Likely causes
Start here
- Control module driver failure · specialist
- Open circuit in control wiring · specialist
- Corroded or loose connector · specialist
Less common
- Damaged wiring harness · specialist
- Blown fuse or failed supply · easy
Symptoms
Components involved
Information, not instruction
CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.
Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
Community experience
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What makes one worth reading:
- The car — make, model, year and engine. The same fault behaves differently on each.
- What you measured, not only what you replaced.
- What actually fixed it — or that nothing did, which is worth knowing too.
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