× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1999 Jeep Cherokee Sport 4.0L MIL Lamp on
Posted to Chrysler Driveability on 8/2/2007 8 Replies

This vehicle came in with DTC P0123 (TPS voltage too high) and P0121 (TPS does not agree with MAP) The voltage at the TPS was high at 2.53. This was both in the PCM as well as at the TPS output terminal. A replacement TPS was installed with the results being a...

8 Replies Received (View Replies)

  Related Documents & Media  1999 Jeep Cherokee Sport

 
Message Closed w/FIX

car Vehicle Data

1999 Jeep Cherokee Sport

VIN 1J4FT68SXX
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0123Throttle Position Sensor Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

1999 Jeep Cherokee Sport

VIN 1J4FT68SXX
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0121Throttle Position Sensor Range/Performance
P0123Throttle Position Sensor Circuit High Voltage