Question

How do I reset the engine codes P0051 and P0152 on my 2004 Jeep Grand Cherokee?

Answer 1

You must repair the problem first. Once the problem is repaired then you can disconnect the battery to clear the codes. For both codes P0051 and P0152. The problem is more than like the front Oxygen sensor Bank 2.

P0051 JEEP Code - O2 Sensor 2/1 Heater Circuit Low
Read more: https://www.autocodes.com/p0051_jeep.html

P0152 JEEP Code - O2 sensor 2/1 Circuit High
Read more: https://www.autocodes.com/p0152_jeep.html