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Powertrain

P166A

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

5

Original wording in English

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SSM 47803 ↗

FORD

Some 2018 EcoSport vehicles equipped with a dealer installed remote start feature and built on or before 20-Mar-2018 may exhibit an intermittent illuminated wrench indicator lamp along with DTC P166A and a See Manual message on the information display in the instrument panel cluster (IPC). This may be due to the key takeover pro…

SSM 47621 ↗

FORD

Some 2018 EcoSport vehicles equipped with a dealer installed remote start feature may exhibit an intermittent illuminated wrench indicator lamp along with DTC P166A and a See Manual message on the information display in the instrument panel cluster (IPC). This may be due to the key takeover process being initiated during the rem…

SSM 47154 ↗

FORD

Some 2018 EcoSport vehicles equipped with a dealer installed remote start feature may exhibit an intermittent illuminated wrench indicator lamp along with DTC P166A and a See Manual message on the information display in the instrument panel cluster (IPC). This may be due to the key takeover process being initiated during the rem…

SSM 47077 ↗

FORD

Some 2018 EcoSport vehicles equipped with a Factory Invoiced Accessories (FIA)remote start feature or SYNC connect may exhibit an intermittent illuminated wrench indicator lamp along with diagnostic trouble code (DTC) P166A and a See Manual message on the information display in the instrument panel cluster (IPC). This may be due…

Check vehicle applicability

3

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
FordECOSPORT ↗2018
FordFUSION ↗2013
LincolnMKZ ↗2013

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.