Possible Causes
- Good trip equal to zero.
- (K145) AAT signal circuit shorted to battery voltage.
- AAT sensor voltage below 0.1 volt.
- (K145) AAT signal circuit open.
- (K167) Sensor ground circuit open.
- (K145) AAT signal circuit shorted to ground.
- (K145) AAT signal circuit shorted to (K167) sensor ground.
- PCM.