P0162 O2 Sensor Circuit Bank 2 Sensor 3

Sensor 3 on bank 2 is a switching oxygen sensor behind a second converter or converter brick. It is rare – documented for Jaguar Land Rover's supercharged V6 and V8 (2013–2016), where it is the 'post-cat' sensor of the second bank, and for Ford systems that monitor part of the converter volume. P0162 is the general circuit code of this sensor, the counterpart of P0142. Jaguar Land Rover assigns the code to that sensor and names software (fixed by reconfiguring the engine module) and water-induced thermal shock as causes; no thresholds are published for sensor 3, so the logic follows the sensor 2 checks. The previous obdex titles from P0162 to P0165 were shifted by one position; P0162 had carried the heater title of P0161. When it fails, the downstream evaluation of that converter is suspended; there is no limp mode.

Likely causes

Symptoms

• Check engine light on (usually after two drive cycles)
• Catalyst readiness incomplete
• Usually no noticeable change in driving

Repair estimate

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

Related codes

References: law.cornell.edu, static.nhtsa.gov, static.nhtsa.gov, static.nhtsa.gov.