What engine, gas or diesel.?
tech answer.:
Battery Has Been Disconnected
Number of Trips to Set Code: 1
Trouble Code Conditions:
Key on, and the TCM detected that it had been disconnected from the Battery Direct (B+) circuit or its Power Ground circuit. This DTC will also set during the scan tool Quick Battery Disconnect procedure. Note: Due to the integration of the PCM and TCM, the transmission part of the PCM has its own specific power and ground circuits.
Possible Causes:
bar room answer.
your battery was dead, or removed, or is was bad.
battery is old and cold starts, allowed it to drop battery voltage way too low, (weak battery, or just too cold out, is this in Klondike?)
left head lights on, and battery drained too low and this code sets.
gal at bar says, what should i do?
answer. sell the car. (nah)
reset the code with an $9 scan tool and drive, see if it comes back.
if comes back and battery seems week. bingo, end of life battery.
SOURCE: Error Codes P1684 and P0340
P0340
Camshaft position sensor circuit
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P1684
means the battery was disconnected(or had been drained to a low voltage) recently.
SOURCE: 2004 jeep liberty thermostat change?
ihave to change my thermostat in my 04 jeep liberty is it hard
SOURCE: i have code P0320 and P0340 on my jeep liberty
P0320 Ignition Engine Speed Input Circuit malfunction
P0340 Camshaft Position Sensor Circuit malfunction
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