P0160
Low SeverityO2 Sensor Circuit No Activity (Bank 2, Sensor 2)
Emissions System
What Does P0160 Mean?
Downstream O2 sensor bank 2 shows zero activity.
Common Fix
Replace downstream O2 sensor
Estimated Cost (DIY)
$25 - $80
Common Causes
How to Diagnose P0160
- 1Verify connection
- 2Check heater
- 3Replace sensor
OEM Diagnostic Flowchart
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Read live data and freeze frame for P0160 to pinpoint the cause before buying parts.
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Related Resources
Repair guides, symptom pages, and wiring diagrams related to P0160.
OEM Manual Evidence
Browse →A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali AWD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali 2WD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-6.0L Service Manual | Operation CHARM Operation CHARM : Car repair...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-5.3L Service Manual | Operation CHARM Operation CHARM : Car repair...
Related Symptoms
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Exact Repair Workflows
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Open the exact repair flow most commonly associated with P0160 on this vehicle.
Open the exact repair flow most commonly associated with P0160 on this vehicle.
Open the exact repair flow most commonly associated with P0160 on this vehicle.
Related Codes
General fault in the downstream O2 sensor on bank 2.
Downstream O2 sensor bank 2 responds too slowly.
The downstream O2 sensor on bank 1 shows no voltage changes at all. The sensor is likely dead.
Frequently Asked Questions
- Will this affect my engine?
- No performance effect. Only matters for emissions testing.
- Can I just disconnect it?
- That will cause the same code. Replace the sensor for a proper fix.
Related Repair Guides
If your vehicle has triggered P0160, these DIY repair guides may help:

