Medium severity
P0053Incorrect resistance of the lambda sensor heater (Bank 1, Sensor 1)
Part
Lambda sensor
Part price
$63
At a workshop
$88
You save
$25
How to read code P0053
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
53
Fault number
Specific fault within the subsystem
Symptoms
- Check Engine light on the dashboard
- Slower heating of the sensor and entering closed loop mode
- Increased fuel consumption
Possible causes
- Degradation of the heating element in the sensor
- High resistance of the connector contacts
- Factory sensor defect
Diagnostic steps
- 1Measure the resistance of the heater on the cold sensor
- 2Check for voltage drops on the connectors
- 3Clean the pins in the connector with a contact cleaner
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Frequently asked questions about P0053
What does code P0053 mean?
P0053: Incorrect resistance of the lambda sensor heater (Bank 1, Sensor 1).
What are the symptoms of code P0053?
Check Engine light on the dashboard; Slower heating of the sensor and entering closed loop mode; Increased fuel consumption.
What causes code P0053?
Degradation of the heating element in the sensor; High resistance of the connector contacts; Factory sensor defect.
Can I drive with code P0053?
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 P0053?
The part (Lambda sensor) costs about $63, and a mechanic’s labour about $25.
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