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Old 01-12-2025, 10:09 PM #1
jjames34 jjames34 is offline
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P0200 Code on 2016 62,000 miles

The 4runner recently popped a P0020 code ('A' Camshaft Position Actuator 'A' Control Circuit/Open Bank 2) with a check engine and TRAC light. I've read that this code has also been associated with a couple other codes indicating a rodent problem. I looked through the engine and didn't find any wires that were chewed but I also don't know exactly where the sensor is located. I've searched youtube and the internet with no luck explaining a fix. Has anyone else had this single code pop? I appreciate any help and your time.

Last edited by jjames34; 01-13-2025 at 04:04 PM.
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Old 01-14-2025, 04:11 AM #2
AimeeGreen AimeeGreen is offline
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It may be due to a problem with the Camshaft Position Actuator Control Circuit 'A'/Open for Bank 2. Use an OBD-II scanner to clear the error code, then test drive the car to check if the error reappears.fall guys

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Old 01-14-2025, 04:29 AM #3
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Inspect the wiring harness and connectors leading to the actuator for any signs of wear, corrosion, or loose connections. If the wiring looks good, you may need to test the actuator itself. You can use a multimeter to check for continuity and proper voltage at the actuator connector.
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Old 01-14-2025, 10:47 AM #4
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Quote:
Originally Posted by jjames34 View Post
The 4runner recently popped a P0020 code ('A' Camshaft Position Actuator 'A' Control Circuit/Open Bank 2) with a check engine and TRAC light. I've read that this code has also been associated with a couple other codes indicating a rodent problem. I looked through the engine and didn't find any wires that were chewed but I also don't know exactly where the sensor is located. I've searched youtube and the internet with no luck explaining a fix. Has anyone else had this single code pop? I appreciate any help and your time.
when my wires were chewed it was behind the fuse box in the engine bay. I did have a small nest of leaves etc there too.

battery ---fuse box--- wire connection
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Old 01-18-2025, 08:40 PM #5
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Angry

I found the problem. A rodent completely chewed the 2 wires going to the electrical connector. Although, I think I got lucky because that looks like the only wires that were chewed.

I went to the dealership and the parts guy was unaware of how the part comes or how to fix it. They didn't have the female connector in stock (90980-12A02). My hope was that there's a pigtail on it so I could just splice it. One of the gentleman said that the wires just plug into the connector so I would have to splice it and then plug it into the connector. Does anyone have experience they would like to share working with these connectors. Thanks again for your time.

I've attached two pictures showing the damage.
Attached Images
P0200 Code on 2016 62,000 miles-20250118_114636-jpg  P0200 Code on 2016 62,000 miles-20250117_125823-jpg 

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Old 01-18-2025, 10:37 PM #6
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Quote:
Originally Posted by jjames34 View Post
I found the problem. A rodent completely chewed the 2 wires going to the electrical connector. Although, I think I got lucky because that looks like the only wires that were chewed.

I went to the dealership and the parts guy was a bit clueless. They didn't have the female connector in stock (90980-12A02). My hope was that there's a pigtail on it so I could just splice it. One of the gentleman said that the wires just plug into it so I would have to splice it and then plug it into the connector. Does anyone have experience they would like to share working with these connectors. Thanks again for your time.

I've attached two pictures showing the damage.
Although this is more specific to the RAV4, it has guidance on how to work on Toyota connectors. Perhaps your part number can be found is this document:

https://www.toyota-tech.eu/wire_harness_rm/RM06H0E.pdf
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Old 01-19-2025, 08:19 AM #7
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Quote:
Originally Posted by jjames34 View Post
I found the problem. A rodent completely chewed the 2 wires going to the electrical connector. Although, I think I got lucky because that looks like the only wires that were chewed.

I went to the dealership and the parts guy was unaware of how the part comes or how to fix it. They didn't have the female connector in stock (90980-12A02). My hope was that there's a pigtail on it so I could just splice it. One of the gentleman said that the wires just plug into the connector so I would have to splice it and then plug it into the connector. Does anyone have experience they would like to share working with these connectors. Thanks again for your time.

I've attached two pictures showing the damage.
There probably is a pin in that female connector , should be able to remove that and replace the wiring to extend it. Can just solder the wires together and heat shrink it and wrap in electrical tape. Also insurance will cover this as well.
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Old 01-19-2025, 11:57 PM #8
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It is possible to solder the wires. If not enough length due to rodent consumed metal wire and insulation, you can add a length of similar wire.
Sometimes access to solder in place is not doable.
Then you would need to do the necessary disconnecting to move the wires to a spot you can work on the solder repair.
Lots of Youtube demos of soldering and the simple inexpensive tools needed.
I repaired fuel injector wires ate by mice on a Dodge Ram van.
Good luck with the repair.
PM me if you would like to discuss in more detail.
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Old 01-20-2025, 11:13 AM #9
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Quote:
Originally Posted by Hungryhawk View Post
It is possible to solder the wires. If not enough length due to rodent consumed metal wire and insulation, you can add a length of similar wire.
If you need to solder the wires, best to start with a new connector housing (they are all over the Internet such as this one: 9098012A02 - HOUSING, CONNECTOR F - Toyota | eBay), and new repair wires with pins which should be available from your dealer or the Internet as well.

That will give you a new connector with wires long enough to solder to the existing wires.
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