96 grand Cherokee Laredo codes

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Jan 18, 2016 | 09:54 PM

Tonya Day Malott

Thread Starter

Newbie

Joined: Jan 2016

Posts: 1

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Model: Cherokee

96 grand Cherokee Laredo 4.0 inline 6

My jeep has a lot of high voltage codes coming up and I'm not sure what could be causing it any suggestions
P0108: MAP sensor voltage to high
P0113: intake air charge temperature voltage: to high
P0123: throttle position sensor to high
P0132: 02 sensor circuit bank1 high voltage circuit bank1 sensor1
P0135: 02 sensor heater circuit malfunction bank1
P0138: 02 sensor high voltage bank1 sensor2
P0205: injector #5 control circuit problem
P0340: no camshaft signal being received by computer
P0420: catalyst seems inefficient #1
P0443: evaporative purge flow system solenoid not working properly
P1391: can't see
P1765: open or short in transmission relay control circuit
PLEASE help I'm at me wits end of this jeep its a 96 jeep grand Cherokee Laredo 4.0 inline 6

Last edited by Tonya Day Malott; Jan 18, 2016 at 10:32 PM.

Jan 19, 2016 | 06:20 AM

dave1123

Old fart with a wrench

Joined: Nov 2010

Posts: 14,398

Likes: 740

From: Manlius, east of Syracuse, NY

Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

Welcome to CF!

IDK for sure, but it looks to me like the 5 volt sensor supply controller in the PCM is fried. It's hard to tell without testing, but that's my theory anyway.