Low severity
P0041Incorrect lambda sensor or signals post-catalyst (Bank 1, Bank 2, Sensor 2)
Part
Oxygen sensor
Part price
$75
At a workshop
$100
You save
$25
How to read code P0041
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
41
Fault number
Specific fault within the subsystem
Symptoms
- Active Check Engine light
- No obvious driveability issues
- Failed emissions test
Possible causes
- Replaced rear oxygen sensors
- Incorrect reinstallation after exhaust repair
- Electrical connection issue
Diagnostic steps
- 1Locate the rear oxygen sensors under the chassis or in the cylinder head
- 2Verify wire colors and replace any incorrectly wired sensors
- 3Clear codes and perform a test drive
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Frequently asked questions about P0041
What does code P0041 mean?
P0041: Incorrect lambda sensor or signals post-catalyst (Bank 1, Bank 2, Sensor 2).
What are the symptoms of code P0041?
Active Check Engine light; No obvious driveability issues; Failed emissions test.
What causes code P0041?
Replaced rear oxygen sensors; Incorrect reinstallation after exhaust repair; Electrical connection issue.
Can I drive with code P0041?
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 P0041?
The part (Oxygen sensor) costs about $75, and a mechanic’s labour about $25.
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