1999 Jeep Wrangler Sport 4.0L MIL Lamp on
SES light stays on, shifts funny, shows high voltage code always to computer, run test said to replace tps sensor did this but problem still exist, next step was to check grounds. Checked 5 volt reference from computer to tps was good, also checked the voltage...
FIX posted 1/30/2005
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Message Closed w/FIX
Vehicle Data1999 Jeep Wrangler Sport
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Jeep Wrangler Sport
VIN | 1J4FY19S6X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | 4.0 Engine |
Trouble Codes
P0123 | Throttle Position Sensor Circuit High Voltage |
P1596 | Speed Control Switch Always High |