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 DIAGNOSISSTEERINGELECTRONIC STEERINGELECTRO-HYDRAULIC POWER STEERING (EHPS) MODULE - ELECTRICAL DIAGNOSTICS
2014 Jeep Grand Cherokee Laredo, AWD
Electro-Hydraulic Power Steering (EHPS) Module - Electrical Diagnostics
2014 Jeep Grand Cherokee Laredo, AWDSECTION Electro-Hydraulic Power Steering (EHPS) Module - Electrical Diagnostics
- Diagnostic Code Index
- DTC Troubleshooting
- C1587-16-Power Steering Motor Inverter Power Supply - Circuit Voltage Below Threshold
- C1587-17-Power Steering Motor Inverter Power Supply - Circuit Voltage Above Threshold
- C15A4-00-Power Steering Assist Inhibited-Vehicle Speed Too High
- C211B-00-Ignition Run/Start Input
- C211B-11-Ignition Run/Start Input - Circuit Short To Ground
- C211B-12-Ignition Run/Start Input - Circuit Short To Battery
- C2128-00-Ecu Reset/Recovery Occurred
- C212A-84-System Voltage - Signal Below Allowable Range
- C212A-85-System Voltage - Signal Above Allowable Range
- C2206-00-Vehicle Configuration Mismatch
- C220D-00-Electrical Powered Hydraulic Steering Module Internal
- C2210-00-Ecu OVERTEMPERATURE
- C221F-00-Ecu Not Initialized
- U0002-00-Can C Bus Off Performance
- U0100-00-Lost Communication With ECM/Pcm
- U0100-00-Lost Communication With Pcm
- U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module
- U0126-00-Lost Communication With Steering Angle Sensor
- U0140-00-Lost Communication With Body Control Module
- U0155-00-Lost Communication With Cluster/CCN
- U0401-00-Implausible Data Received From ECM/Pcm
- U0415-00-Implausible Data Received From Abs
- U0428-00-Implausible Data Received From Steering Angle Sensor Module
- U1601-00-Ecu Application Software Code 1 Missing Or Corrupted
- U160B-00-Ecu Boot Software 1 Missing Or Corrupted
- Standard Procedure
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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.