THE CODE DIRECTORY

Diagnostic code references — Page 29.

Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.

Generic OBD-II

P085B

These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.

Gear Shift Control Module B Communication Circuit Low

Gear Shift Control Module B Communication Circuit High

Gear Shift Control Module A Performance

Gear Shift Control Module B Performance

manual-shift input can be stuck inside a valid electrical range

Gear Shift Control Module A Communication Circuit

Gear Shift Control Module A Communication Circuit Low

Gear Shift Control Module A Communication Circuit High

the TCM reports a ROM-assembly read or communication error

Touareg transmission communication is outside its expected behavior

TCM Communication Circuit Low

TCM Communication Circuit High

transmission pressure fails to build with pump power available

Low transmission pressure is measured against the current target

system pressure remains above its target

Neutral Position Sensor A Circuit/Open

Neutral Position Sensor A Range/Performance

Neutral Position Sensor A Circuit Low

Neutral Position Sensor A Circuit High

Neutral Position Sensor A Circuit Intermittent/Erratic

Neutral Position Sensor A Not Learned

the Jeep overdrive hydraulic self-test did not get its response

system-pressure sensor checked against clutch pressure

Pressure sensor C low has a clear voltage path and an unclear supply window

system-pressure sensor high voltage with conflicting enables

system-pressure sensor zero-offset assessment

interpreting the Jeep underdrive pressure-test failure

limited-slip differential pressure-sensor consistency

Pressure sensor D low refers to the differential-pressure input here

Pressure sensor D high is an electrical limit, not a pressure verdict

limited-slip differential sensor drift at zero pressure

Clutch Position Sensor B Circuit

Clutch Position Sensor B Circuit Range/Performance

Clutch Position Sensor B Circuit Low

Clutch Position Sensor B Circuit High

Clutch Position Sensor B Circuit Intermittent

Sportage transmission-power faults from harness contact

TCM Power Input Signal Range/Performance

TCM supply low is checked outside cranking

Why excessive TCM supply voltage can suppress other transmission tests

a Jeep transmission controller restarted while moving

TCM power-source voltage falls despite adequate system voltage

TCM Power Relay Control Circuit Low

Nine-speed TCM power-control faults and required configuration

commanded relay power is missing at the Jeep TCM

TCM Power Relay Sense Circuit Range/Performance

Transmission Fluid Filter Deteriorated

Transmission Fluid Filter Very Deteriorated

Reverse Inhibit Control Circuit Low

Reverse Inhibit Control Circuit High

Planetary Gear Set Failure

why the Jeep factory procedure checks pressure-switch inputs

the Jeep transmission relay output is powered too early

TCM Power Relay Sense Circuit Intermittent

Multiple Gears Engaged

Slip during a Neutral Locked Turbine request

Shift Time Too Short

Shift Time Too Long

Transmission Fluid Deteriorated

Transmission Control System MIL Request Circuit Low

Transmission Control System MIL Request Circuit High

Gear Lever X Position Sensor 2 Circuit

Alpha 2 shifter position fails path or disagreement limits

The second X-position signal needs its own low-duty evidence

High duty on X sensor 2 must be assessed after controller wakeup

Gear Lever X Position Sensor 2 Circuit Intermittent/Erratic

Gear Lever Y Position Sensor 2 Circuit

Beta 2 gear-lever position must follow its calibrated path

The second Y-position channel is judged on raw low-duty evidence

High duty on Y sensor 2 needs repeated eligible observations

Gear Lever Y Position Sensor 2 Circuit Intermittent/Erratic

Gear Lever X Position Sensor 1/2 Correlation

Gear Lever Y Position Sensor 1/2 Correlation

Manual Gladiator gear-position correlation and a PCM update

Clutch Pedal Position Sensor A Circuit/Open

Clutch Pedal Position Sensor A Circuit Range/Performance

Clutch position sensor A low input differs from a stuck switch

A high clutch sensor A signal is separate from pedal correlation

Clutch Pedal Position Sensor A Circuit Intermittent/Erratic

Clutch Pedal Position Sensor A Not Learned