Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2014GRAND CHEROKEE LAREDO, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 36 (DTCS P1D94-00 TO U1479-00 - 8HP70 AUTOMATIC TRANSMISSION)
2014 Jeep Grand Cherokee Laredo, AWD
Section 36 (DTCS P1D94-00 To U1479-00 - 8HP70 Automatic Transmission)
2014 Jeep Grand Cherokee Laredo, AWDSECTION Section 36 (DTCS P1D94-00 To U1479-00 - 8HP70 Automatic Transmission)
WARNING: This page is about a different variant/trim than selected.
- Diagnosis And Testing
- P1D94-00-TCM Internal SBW Calibration Mismatch
- P1D95-00-TCM Clutch Failure Undetermined
- P1D96-00-Incorrect Gear Ratio Clutch A Or B Defective
- P1D97-00-Incorrect Gear Ratio Clutch A Or D Defective
- P1D98-00-Incorrect Gear Ratio Clutch B Or D Defective
- P1D99-00-Incorrect Gear Ratio Clutch B Or E Defective
- P1D9A-00-Incorrect Gear Ratio Clutch C Or D Defective
- P1D9B-00-Incorrect Gear Ratio: Clutch A Or E Defective
- P1D9C-00-Incorrect Gear Ratio Clutch A Or C Defective
- P1D9D-00-Incorrect Gear Ratio Clutch B Or C Defective
- P1D9E-Incorrect Gear Ratio: Clutch C Or E Defective
- P1D9F-00-Incorrect Gear Ratio Clutch D Or E Defective
- P1DA0-00-Incorrect Gear Ratio Clutch A B Or C Defective
- P1DA1-00-Incorrect Gear Ratio Clutch A B Or E Defective
- P1DA2-00-Incorrect Gear Ratio Clutch B C Or E Defective
- P1DA3-00-Incorrect Gear Ratio Clutch B D Or E Defective
- P1DA4-00-Incorrect Gear Ratio Clutch B C Or D Defective
- P1DA5-00-Incorrect Gear Ratio Clutch C D Or E Defective
- P1DA6-00-Incorrect Gear Ratio Clutch A C Or D Defective
- P1DA7-00-Incorrect Gear Ratio Clutch A D Or E Defective
- P1DA8-00-Incorrect Gear Ratio Clutch A B Or D Defective
- P1DA9-00-Transmission Fluid Temperature Rationality
- P1DAA-00-Trans Temp Undetermined
- P1DAB-00-Vehicle Speed Undetermined
- P1DAC-00-Engine Speed Undetermined
- P1DAD-00-Input Shaft-Output Shaft Direction Correlation
- P1DAE-00-Position Valve Stuck 2ND Gear Trans Limp In
- P1DAF-00-Incompatible Limp In Action Requested
- P1DB0-00-Implausible Torque Request Signal Sent
- P1DB1-00-TCM System Voltage Excessively Low
- P1DB2-00-Actuator Supply Voltage A Circuit
- P1DB3-00-TCM Ecu Reset-Recovery Occurred
- P1DB6-00-Vehicle Speed Signal Performance
- P1DB7-00-Torque Converter Clutch Performance
- P1DB8-00-Unintended Torque Applied While In Neutral
- P1DB9-00-TCM Ecu Reset Extended Low Voltage
- P1DC7-00-Clutch Temp Threshold Achieved Shift Time Reduction
- P1DC8-00-Clutch Temp Threshold Achieved AUTOSTICK Inhibit
- P1DC9-00-Clutch Temp Threshold Achieved Skip Shift Down Inhibit
- P1DCA-00-Park Sense Circuit Open
- P1DCD-00-TCM Monitoring Processor Performance Multiple Clutches Locked Up
- P1DCE-00-TCM Monitoring Processor Performance Incorrect Driving Direction
- P1DCF-00-TCM Monitoring Processor Performance UNALLOWED Park Engagement Do To Abs Failure
- P1DD0-00-TCM Monitoring Processor Performance UNALLOWED Park Engagement
- P1DD1-00-Input-Turbine Speed Sensor 1 Gradient Fault
- P1DD2-00-Torque Request Signal From TCM Denied
- P1DDC-00-TCM Monitoring Processor Performance UNALLOWED Reverse Engagement
- P1DDD-00-TCM Monitoring Performance Unable To Disengage Drive Or Reverse
- P1DDE-00-Ignition Run-Start Input 1-2 Correlation
- P1DEB-00-Incorrect Gear Displayed Due To Incorrect Gear Ratio
- P1DF3-00-Ecu Not Initialized
- P1DF7-00-Actual Decrease Of Engine Torque Low
- P1DF8-00-Actual Decrease Of Engine Torque High
- P1DF9-00-Actual Increase Of Engine Torque Low
- P1DFA-00-Actual Increase Of Engine Torque High
- P215C-00-Output Shaft Speed Wheel Speed Correlation
- P2761-00-Torque Converter Clutch Pressure Control Solenoid Control Circuit-Open
- P2762-00-Torque Converter Clutch Pressure Control Solenoid Control Circuit Range-Performance
- P2763-00-Torque Converter Clutch Pressure Control Solenoid Control Circuit High
- P2764-00-Torque Converter Clutch Pressure Control Solenoid Control Circuit Low
- U0001-00-Can C Bus
- U0074-00-Dedicated Powertrain (Dpt) Can Bus Off
- U0100-00-Lost Communication With ECM/Pcm
- U0103-00-Lost Communication With Electric Gear Shift Module
- U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module
- U0140-00-Lost Communication With Body Control Module
- U0155-00-Lost Communication With Cluster/CCN
- U0212-00-Lost Communication With SCM
- U0401-00-Implausible Data Received From ECM-Pcm
- U0404-00-Implausible Data Received From ESM
- U0415-00-Implausible Data Received From Abs
- U0422-00-Implausible Data Received From Body Control Module
- U0423-00-Implausible Data Received From Cluster-CCN
- U0429-00-Implausible Data Received From SCM
- U11C3-00-ESM Lost Communication With TCM On Dpt Can
- U11E4-00-Can Communication Messages Missing
- U1400-00-Implausible TPS Signal Received
- U1401-00-Implausible Engine Speed Signal Received
- U1412-00-Implausible Vehicle Speed Signal Received
- U1424-00-Implausible Engine Torque Signal Received
- U1461-00-Implausible Data Received From ESM On Dpt
- U1465-00-Implausible Driver Shift Request Signal Received
- U1466-00-Implausible Driver Shift Request Signal Received On Dpt Can
- U1467-00-Implausible Driver Shift Request Signal Received On Can And Dpt Can
- U1469-00-Implausible Gear Shift Position Signal Sent Dpt Can-Can
- U1477-00-Implausible Paddle Shifter Data Received
- U1479-00-Implausible Data Received From Shifter Mechanical Failure
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.