P CODE FAMILY

Powertrain code references — Page 21.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

Generic OBD-II

P07D4

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.

normal-mode request remains active in the MYB monitor

Transmission Mode Switch F Circuit Low

Transmission Mode Switch F Circuit High

eighth gear cannot be confirmed released

Eighth-gear engagement failure depends on speed and actuation progress

Eighth-gear ratio evidence requires a held gear and reliable speed inputs

6-7 Shift

7-8 Shift

Incorrect Shift from Gear 1

Incorrect Shift from Gear 2

Incorrect Shift from Gear 3

Incorrect Shift from Gear 4

Incorrect Shift from Gear 5

Incorrect Shift from Gear 6

Incorrect Shift from Gear 7

Incorrect Shift from Gear 8

Park is requested but the actual range does not agree

Drive selection and actual range remain out of agreement

park-lock release retries and unintended engagement

Stuck in Drive

Transmission Range Control A Circuit/Open

Transmission Range Control A Circuit Performance

Transmission Range Control A Circuit Low

Transmission Range Control A Circuit High

Transmission Range Multi-Function Select Circuit

Transmission Range Multi-Function Select Circuit Stuck

Transmission Range Multi-Function Select Circuit Range/Performance

Transmission Range Multi-Function Select Circuit Low

Transmission Range Multi-Function Select Circuit High

Input/Turbine Shaft Speed Sensor C Circuit

Transmission Range Control Module Communication Circuit

Transmission Range Control Module Communication Circuit Low

Transmission Range Control Module Communication Circuit High

Transmission Range Control Module System Voltage Low

Ninth-gear ratio monitoring is a repeated operating-condition check

Tenth-gear ratio evidence must include stability and repeated failure

Stuck in Gear 9

Unable to Engage Gear 9

Incorrect Shift From Gear 9

Stuck in Gear 10

Unable to Engage Gear 10

Incorrect Shift From Gear 10

Stuck In Gear - Not Specified

Cold Start Transmission Performance

Transfer Case Control System (MIL Request)

manual-transmission reverse-inhibit driver disagrees with feedback

Transmission Control System MIL Request Circuit/Open

Skip-shift solenoid command does not match circuit state

Upshift/Skip Shift Lamp Control Circuit

Clutch Position Sensor A Circuit

Clutch position conflicts with evidence that the vehicle is in gear

Low clutch-pedal sensor signal relative to its reference

Clutch-position signal exceeds its valid electrical range

Clutch Position Sensor A Circuit Intermittent

The controller lacks a valid learned clutch position

Upshift/Skip Shift Solenoid Control Circuit Range/Performance

skip-shift low or open feedback is checked while off

skip-shift high feedback is evaluated during the on command

Grand Cherokee PHEV clutch control and recall sequencing

Touareg transmission clutch slip requires hydraulic and electrical checks

Reverse Input Circuit

Reverse Output Circuit

Transmission Range Display Circuit

an upshift request remains active too long

a recognized downshift request does not release

Starter Disable Circuit/Open

Driveline Disconnect Switch Input Circuit

Manual shift requests disagree with the transmission range

Starter Disable Circuit Low

Starter Disable Circuit High

BCM park-input fault with a stuck-on NOT-P switch

Neutral-input error forwarded from the PCM to the BCM

Excessive Clutch B Slippage

Brake Transmission Shift Interlock (BTSI) Signal Correlation

Gear Lever X-Y Position Sensor Circuit

Gear Lever X Position Sensor 1 Circuit

Gear Lever Y Position Sensor 1 Circuit

Gear Lever X Position Sensor 1 Circuit Intermittent/Erratic

Gear Lever Y Position Sensor 1 Circuit Intermittent/Erratic

Quest lever switch produces an impossible input pattern