Low severity
P0054Incorrect resistance of the second lambda sensor heater (Bank 1, Sensor 2)
Part
Lambda sensor
Part price
$55
At a workshop
$80
You save
$25
How to read code P0054
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
54
Fault number
Specific fault within the subsystem
Symptoms
- Engine Check Light
- No effect on performance (diagnostic sensor under the dash)
- Problem with monitor tests passing OBD
Possible causes
- Sensor heater wear
- Weak connection in the plug
- Mechanical damage to the sensor wiring
Diagnostic steps
- 1Read the sensor heater temperature and resistance through the diagnostic computer
- 2Check the continuity of the wires from the sensor to the computer
- 3Replace the sensor if the resistance exceeds the norm
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Frequently asked questions about P0054
What does code P0054 mean?
P0054: Incorrect resistance of the second lambda sensor heater (Bank 1, Sensor 2).
What are the symptoms of code P0054?
Engine Check Light; No effect on performance (diagnostic sensor under the dash); Problem with monitor tests passing OBD.
What causes code P0054?
Sensor heater wear; Weak connection in the plug; Mechanical damage to the sensor wiring.
Can I drive with code P0054?
SAFE TO DRIVE – The fault does not immobilise the car, but diagnose it as soon as possible.
How much does it cost to fix code P0054?
The part (Lambda sensor) costs about $55, and a mechanic’s labour about $25.
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