P261C code meaning
Coolant Pump B Control Circuit Low
Powertrain system Generic code P26xx codes Check engine light
What P261C means
P261C points to a control line of coolant pump B pulled toward ground. VW's 2014 Touareg data book sets it when the signal voltage drops below 2.8-3.2 V. Ford (gasoline summaries 2020-2023 and 2024) relies on a smart driver that watches pump B, which cools components in the hot loop, and sets P261C or P261D as soon as it reports an output fault, within a 5 s window above 11 V. Audi's bulletin 2043142 (2.0 TFSI CAE/CPM, model years 2012 to 2016) names the low-side code alongside P261A and P261B and replaces the after-run pump with an updated part and bracket. GM's hybrid tables put P261C both in the control fault bundle and in the no-flow bundle of the switchable water pump. Look for chafed wires near hot parts, then for a pump with an internal short.
P261C at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modeNot expected
- Repair difficultyMedium, DIY possible
- Typical labor0.5 to 2.5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P261C
- Malfunction indicator lamp on
- Auxiliary pump does not run, no after-run cooling
- Rising temperatures at turbo or electronics in heavy use
Common causes of P261C
- Most likelyChafed wire to ground near exhaust or engine parts
- PossibleInternal short in the pump electronics, often after water ingress
- Less likelyCorroded connector bridging pins
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Coolant pump bWiring harness
What each part of P261C means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 6 | Area: computer (engine control module) and output circuits. |
| 1C | The exact fault in that area. |
What to do next
- Note P261C 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 P261C
What does P261C mean?
P261C means "Coolant Pump B Control Circuit Low". P261C points to a control line of coolant pump B pulled toward ground. It is a generic code, so it means the same on every make.
Is it safe to drive with P261C?
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 P261C fail an emissions test?
Yes, it can. P261C 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 P261C to fix?
Difficulty: medium. A typical repair takes 0.5 to 2.5 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P261C clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.