Default 98-Present cont.
1388 Auto shutdown relay circuit problems?
1389 No Z1 or Z2 voltage seen by the computer when the auto shutdown relay is used.
1390 Cam and crank signals don't match - did the timing belt skip a tooth?
1391 Sometimes, I can't see the crank or cam sensor signal.
1398 I can see the Crank Sensor's signal when I prepare for Misfire Diagnostics. Try replacing it.
1399 Problem in the Wait to Start Lamp circuit - (diesels only?)
1403 EGR position sensor not getting (enough) voltage.
1476 Too little secondary air injection during aspirator test.
1477 Too much secondary air injection during aspirator test.
1478 Battery temperature sensor voltage wrong.
1479 Transmission fan relay circuit problems?
1480 PCV solenoid circuit problems?
1481 Transmission RPM pulse generator signal for misfire detection seems wrong.
1482 Catalyst temperature sensor circuit shorted low.
1483 Catalyst temperature sensor circuit shorted high.
1484 The catalyst seems to be overheating!
1485 Air injection solenoid circuit problems.
1486 Pinched or blocked hose in the evaporative hose system.
1487 Control circuit of the #2 high-speed radiator fan control relay is having problems.
1488 Auxiliary 5-volt sensor feed is too low.
1489 High speed radiator fan control circuit problem.
1490 Low speed radiator fan control circuit problem.
1491 Radiator fan control circuit problem (may be solid state relays as well as other circuits).
1492 Ambient or battery temperature sensor voltage wrong
1493 Ambient or battery temperature sensor voltage wrong
1494 Leak Detection Pump (LDP) pressure switch problem - electrical or the pump itself.
1495 Leak Detection Pump (LDP) pressure switch problem - the solenoid circuit.
1496 Sensor feed is below an acceptable limit. (under 4v for 4 seconds - should be 5v).
1498 High speed radiator fan control circuit problem. (#3 control relay)
1594 Voltage too high in charging system.
1595 Speed control vacuum or vent solenoid control circuits shorted or lost.
1596 Speed control switch always high
1597 Speed control switch always low
1598 A/C pressure sensor voltage high
1599 A/C pressure sensor voltage low
1681 No messages received from the cluster control module (dashboard computer).
1682 Charging system doesn't seem to be working well. Check alternator, etc.
1683 Speed control servo power control circuit problem.
1684 [/b]The battery has been disconnected within the last 50 starts.
1685 Invalid key received from the Smart Key Immobilizer Module.
1686 No messages received from the Smart Key Immobilizer Module.
1687 No messages received from the Mechanical Instrument Cluster module.
1693 The companion engine control module has shown a fault.
1694 No messages received from the powertrain control module-Aisin transmission.
1695 No messages received from the body control module.
1696 Unsuccessful attempt to write to an EEPROM location!
1697 Unsuccessful attempt to update Service Reminder Indicator (SRI or EMR) mileage!
1698 No messages received from the electronic transmission control module or the Aisin transmission controller.
1719 Transmission 2-3 gear lockout solenoid control circuit problem.
1740 Either the tcc solenoid or overdrive solenoid systems doesn't seem to be making much sense.
1756 Transmission control pressure not equal to target. (Mid pressure problem)
1757 Transmission control pressure not equal to target. (Zero pressure problem)
1762 The Governor Pressure Sensor input was too high or too low for 3 consecutive park/neutral calibrations.
1763 The Governor Pressure Sensor input is too high
1764 The Governor Pressure Sensor input is too low.
1765 Open or short in the Transmission Relay control circuit.
1899 The Park/Neutral switch seems to be stuck!
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