An open or shorted condition detected in the speed control vacuum or vent solenoid control circuits. 15**: No speed sensor signal detected. Do you see our code list? -Aisin transmission. C1255 EBCM Internal Malfunction. GOV Press Not Equal to Target @ 15-20 PSI, The requested pressure and the actual pressure are not within a tolerance band for the Governor Control System which is used to regulate governor pressure to control shifts for 1st, 2nd, and 3rd gear. If your part number is not on this list, no worries we still reset it as long as your vehicle is year 1997 and up. No difference is recognized between the MAP reading at engine idle and the stored barometric pressure reading. Remove the cable from the negative terminal of the battery first, then from the positive terminal. "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth." Possible injection pump timing problem. Compressed natural gas temperature sensor voltage above acceptable voltage. The Jeep Recon NEW! This site uses Akismet to reduce spam. But if the BRAKE light / also comes on, it indicates a malfunction in the braking system and you must stop driving due to risk of brake failure. Compressed natural gas temperature sensor voltage below acceptable voltage. Ours charges $139 to read the codes. [ Infiniti ] [ Isuzu ] [ Jaguar ] [ Jeep ] Time to enter Closed Loop Operation (Fuel Control) is excessive. No CCD/J1850 messages received from the powertrain control module-Aisin transmission. Matt received his first Jeep, a 1975 CJ, from his father when he was just 16. Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor. Oxygen sensor input voltage maintained below normal operating range. Jeep Roadside Assist V V Good but have booked us in for a further 9 days. Injector #9 output driver stage does not respond properly to the control signal. [ Kenworth ] [ Kia ] An anti-lock brake system is an electronic system that reduces the drag on your brakes. Voltage greater than 4.89 volts (4-speed auto trans only). C1257 LF ABS Motor Circuit Shorted to Ground. . if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'jeepmodified_com-leader-1','ezslot_9',109,'0','0'])};__ez_fad_position('div-gpt-ad-jeepmodified_com-leader-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'jeepmodified_com-leader-1','ezslot_10',109,'0','1'])};__ez_fad_position('div-gpt-ad-jeepmodified_com-leader-1-0_1');.leader-1-multi-109{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}Yes, you can. There are many reasons why the ABS light is turned on in your Jeep Grand Cherokee. They are trained and have the knowledge and experience to help you fix your jeep. Ignition Key Off Timer Performance Too Fast, Ignition Key Off Timer Performance Too Slow, Manifold Tunning Valve Control Performance, Viscous/Cabin Heater Relay Circuit Condition, Decreased engine performance -high intake air temperature, Wiring open circuit/short to positive, ground wire defective, IAT sensor, ECT sensor, cooling system, high engine bay temperature, ECM, Intake Air Temperature Sensor Circuit Intermittent Low Voltage, Enginecoolant temperature (ECT) sensor/intake air temperature (IAT) sensor signal variation, Closed loop fuel control not achieved -bank 1, Wiring,H02S, fuel system, MAP sensor, ECM, Closed loop fuel control not achieved -bank 2, Wiring, H02S, fuel system, MAP sensor, ECM, Vacuum Reservoir Solenoid Circuit Condition, Fuel Rail Pressure Malfunction Positive Pressure Deviation, Fuel Rail Pressure Malfunction Positive Volume Deviation, Fuel Rail Pressure Malfunction Pressure Drop In Over-run, Fuel Rail Pressure Malfunction Maximum Positive Deviation, Fuel Rail Pressure Malfunction Positive Deviation Fuel Pressure Solenoid Setpoint, Fuel Rail Pressure Malfunction Negative Deviation Fuel Pressure Solenoid Setpoint, Fuel Rail Pressure Malfunction Rail Pressure Is Too Low, Fuel Rail Pressure Malfunction Rail Pressure Is Too High, Throttle Inlet Pressure Sensor Performance, Intake air temperature (IAT) sensor -voltage low, Intake air temperature (IAT) sensor-voltage high, Heated oxygen sensor (H02S),heater control-circuit malfunction, Heated oxygen sensor (H02S) 1, bank 1 slow response, Wiring, heating inoperative, exhaust leak, H02S, Heated oxygen sensor (H02S) 1, bank 2 slow response, Wiring, heating inoperative, exhaust leak,H02S, Heated oxygen sensor (H02S) 2, bank 1slow response, Vacuum Reservoir Solenoid Short To Ground, Wiring, intake manifold aircontrol actuator, ECM, AlC compressor clutch control circuit 2 (PCM) circuit high, AlC compressor clutch controlcircuit 2 (PCM) over-current, Wiring, AlC compressor clutch, poor connection, PCM, Starter control circuit 2 (PCM) -short circuit to ground, Starter control circuit 2(PCM)-shortcircuitto positive, Startercontrolcircuit 2(PCM) -open circuit, Starter control circuit 2 (PCM) over-current, Wiring, poor connection, starter motor, PCM, Fuel pump controlcircuit2(PCM)-short circuit to ground, Fuel pump control circuit2 (PCM)-short circuittopower, Fuel pump control circuit 2(PCM) -open circuit, Fuel pump control circuit 2(PCM)over-current, Wiring, coolingsystem,coolant thermostat, ECTsensor, Fuel pump relay -wiring open/short circuit, Intake manifold air control solenoid(shortrunner) -wiring open/short circuit, Wiring, intake manifold air control solenoid (short runner), Intake manifold air control solenoid-wiring open/short circuit, Wiring,intake manifold air control solenoid, Idle speedcontrol (ISC)system -rpm lower/higher than expected, Wiring, air leak, throttle valve tight/sticking,lAC valve, Throttle position (TP) sensor-no 5 volt supply, Manifold absolute pressure(MAP)sensor no 5 volt supply, Systemtoolean-at prolonged wide open throttle, Intake/exhaust leak,MAP sensor,fuel pressure/pump, injector(s), H02S, Manifold absolute pressure (MAP) sensor/throttle position(TP)sensor, Intakeleak,hose connection(s),MAP sensor, TP sensor, Engine controlrelay -wiringopen/short circuit, Engine control relay-wiring open circuit, Crankshaft position(CKP)sensor/camshaft position(CMP)sensor-signal synchronisation, Timing belt loose/jumped position, CKP sensor, CMP sensor, Crankshaft position (CKP) sensor/camshaft position (CMP) sensor -intermittentsignal, Wiring,poor connection, air gap, CKP sensor, CMP sensor, Engine control module (ECM)-misfire detection limit reached, Manifold Differential Pressure sensor condition, Exhaust gas recirculation(EGR)valve position sensor no 5 volt supply, Exhaust gas recirculation (EGR) valve position sensormalfunction, Wiring, exhaust gas recirculation (EGR) valve,ECM, Wiring, cylinder cut-out solenoid, oil pressure, ECM, Wiring, cylinder cut-outsolenoid,oil pressure,ECM, Wiring, cylindercut-out solenoid,oil pressure, ECM, Wiring, cylinder cut-outsolenoid,oil pressure, ECM, Diesel particulate filter (DPF)-performance, Wiring, exhaust, DPF pressure differential sensor,DPF, hose, Diesel particulate filter(DPF)pressure differential sensor hose performance, Diesel particulate filter(DPF)pressure differential sensor -hose blocked, Diesel particulatefilter (DPF)pressure differential sensor -flow too high, Wiring, exhaust, DPF pressure differential sensor, DPF, hose, Engine control module(ECM)-auxiliary 5 voltoutput high, Secondary air injection (AIR) system -insufficientflow detected, Secondary airinjection(AIR) system-excessive flow detected, Positive crankcase ventilation (PCV) solenoid-wiring open/short circuit, Transmission control module (TCM)-misfire detection, Catalytic converter temperature sensor -low input, Wiring short circuit to ground, catalytic converter temperature sensor, ECM, Catalytic convertertemperaturesensor,high input -wiring short circuit to positive, Wiring, catalytic converter temperature sensor, ECM, Wiring, engine misfire, catalytic converter, catalytic converter temperature sensor, Secondary air injection (AIR) solenoid-circuit malfunction, Evaporative emission (EVAP) system blockage detected, Hose connection(s),hose blocked/trapped, EVAP canister, Engine coolant blower motor relay,high speed -wiring open/short circuit, Wiring,engine coolant blowermotor relay (high speed), Engine control module (ECM) -auxiliary 5 volt output low, AlC condenser blower motor relay, high speed-wiring open/short circuit, Wiring, engine coolant blower motor relay (high speed), Engine coolant blower motor relay,low speed-wiring open/short circuit, Wiring, engine coolantblower motor relay (low speed), Enginecoolantblowermotor relayopen/shortcircuit, Ambient/batterytemperature sensor-voltage high, Wiring, ambient/battery temperature sensor, Ambient/battery temperature sensor-voltagelow, Evaporativeemission (EVAP) leakdetectionpump -pressure switch, Wiring, hose leak/blockage, EVAP leak detection pump, Evaporative emission(EVAP) leakdetection pumpsolenoid-wiring open/shortcircuit, Wiring, hose leak/blockage, EVAP leak detection pump solenoid, Engine control module (ECM) -5volt outputlow, Enginecoolant blower motorrelay,highspeed 3 -wiringopen/shortcircuit, Wiring, engine coolant blower motor relay (highspeed3), Enginecoolant blower couplingsolenoid-wiring open/shortcircuit, Wiring, engine coolant blower coupling solenoid, Vehicleover-speedcondition -rear axle speed greater than frontaxle, Vehicle over-speed condition -frontaxlespeed greater than rear axle, Wiring, connectors,oil quality, oil level, Oil Pressure Out Of Range Camshaft Advance / Retard Disable, Brake pedalposition(BPP) switch -circuit malfunction, BPP switchadjustment, wiring, BPP switch, Brake pedal position (BPP) switch -circuit malfunction, Cruise control system,multi-functioninput Acircuit stuck, Wiring, poorconnection, multi-function switch, mechanical fault, ECM, Cruise control-wiring open/short circuit, Wiring, hoses, cruise control master switch,cruisecontrol vacuum switching valve, Cruise controlmasterswitch -high voltage, Cruise controlmaster switch -low voltage, AlCrefrigerantpressure sensor-highinput, Wiring, AlC refrigerant pressure too high (coolingfault/incorrectlycharged), AlCrefrigerantpressure sensor, AlC refrigerantpressuresensor -low input, Wiring, AlC refrigerant pressure toolow(incorrectlycharged), AlC refrigerant pressure sensor, Engine control module (ECM)notprogrammed, New ECM notprogrammed, incorrectly programmed, ECM, Engine control module (ECM) -RAMread/writeerror, Engine control module (ECM) -shutdowntimer error, Engine control module (ECM) -primary 5 volt output erratic, Wiring, poor connection, oil pressure sensor, APP sensor, CKP sensor, throttlecontrolunit, TPS sensor, ECM, Engine control module (ECM)-auxiliary 5 volt output erratic, Wiring, poorconnection, APP sensor, CMP sensor,EGR solenoid, EGR valve position sensor, MAP sensor, ECM, Engine coolant hydraulic blower motor solenoid/circuithigh-circuit malfunction, Wiring,fuse, engine coolant hydraulicblowermotorsolenoid,ECM, Engine coolant hydraulic blowermotorsolenoid/circuit low-circuitmalfunction, Wiring, fuse, engine coolant hydraulic blower motor solenoid,ECM, Glow plug control module/supply circuit circuit malfunction, Glow plug control module/supply circuitcircuit malfunction, Data bus,engine control module (ECM)/transmission control module(TCM)-no communication, Clutch pedal position(CPP)switch -circuit malfunction, Wiring, battery, alternator drive belt,alternator, Wiring, cruise control vacuum switchingvalve, Engine control module (ECM)-supply voltage disconnected withinlast50ignitionswitch ON-OFF cycles, Key not programmed into immobilizer control module, Wiring, ignition key notmatched/damaged, immobilizer control module, CAN data bus,immobilizer control module no signal, Wiring, instrumentation control module (mechanical), Internal Fuel Injection Pump Controller Failure, No Communication Between ECM and Injection Pump Module Data, Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor, Fault detectedinengine control module(ECM), Fault detected in companion engine control module(ECM), Engine control module (ECM) -EEPROMerror, CAN data bus,AlC control module-no signal, Other trouble code(s) stored, transmission fluid level,transmission shift linkage adjustment D, Skip shiftsolenoid -wiringopen/short circuit, Transmission-gear/input speed/output speedratioerror, Transmission fluid level,wiring, input shaft speed (ISS) sensor,output shaft speed(055)sensor, transmission mechanical fault, Torque converterclutch (Tee)/overdrivesolenoid-performance problem, TCC, overdrive solenoid,transmission mechanical fault, Governor pressure not equalto target (15-20PSI)-mid pressure malfunction, Signal wire open/shortcircuit,valve body, sensor supply wire open circuit,transmission fluid level, governor pressure solenoid, transmission mechanical fault, ECM -no 5 volt supply, Govemor pressurenotequalto target (15-20PSI) -zero pressure malfunction, Signal wire open/short circuit,valve body, sensor supply wire open circuit,transmission fluid level, governor pressure solenoid, transmission mechanical fault,ECM -no 5 volt supply, Govemor pressure sensor-incorrectsignal, Signal wire shortcircuit to ground/positive, supply wire open/short circuit, transmission fluid level, governor pressure solenoid, governor pressure sensor, ECM, Signal wire shortcircuit to positive, supply wire open circuit, transmission fluid level, governor pressure sensor, ECM, Signal wire short circuit to ground, supply wire open circuit, transmission fluid level,governor pressure sensor, ECM, Transmission system relay-wiringopen/short circuit, Solenoid switch valve locked in Tee(torqueconverterclutch)position-wiringopen/shortcircuit, Wiring, transmissionsystem relay, transmission fluid level low, UR pressure switch,solenoid switch valve, Solenoid switchvalve lockedinUR(low/reverse) position-wiringopen/shortcircuit, Wiring, transmission system relay,transmission fluid level low, UR pressure switch, solenoid switch valve, Speed ratio error, transmission mechanical fault, Torque reductioncommunicationerror-wiring open/short circuit, Transmissionspeedsensor-groundcircuit, Wiring open circuit, TCM, inputshaft speed (ISS) sensor, output shaft speed(055)sensor, Wiring,transmission fluid level low,transmission cooling fan -if fitted,transmission fluid temperature (TFT) sensor, Clutch pedal position(CPP)switch override relay-circuit malfunction, Wiring open circuit/short to ground, damaged fuel tank, fuellevelsender, Park/neutral position (PNP)switch-inputcircuit malfunction, Fire Prevention System Crash Event Detected, Car Had An Accident And The Inertia Switch Has Operated, Controller area network (CAN) databuscommunication malfunction, Wiring, steering columncontrol module, multifunction control module, ECM, Controller area network (CAN)databus communication malfunction, Wiring,fuellevel sensor, multifunction control module, ECM, Outside air temperature sensor communication malfunction, Wiring, outsideair temperature sensor, multifunction control module, ECM, Wheel speed sensor-communication malfunction, Wiring, speed sensor, anti-lock brake system(ABS) controlmodule, ECM, Controllerareanetwork (CAN) databuscommunication malfunction, Wiring,multifunctioncontrol module, ECM, AlC pressure sensor -communication malfunction, Wiring, multifunction control module,ECM, Wiring,speed sensor,anti-lock brake system (ASS) control module,ECM, Control area network(CAN)data bus-fuellevel -signal implausible, Wiring,instrument panel,multifunction control module, ECM, Controller area network(CAN)data bus/fuel level -communication malfunction, Wiring, instrumentation control module,multifunction control module,ECM, Wheel speed sensor-CAN data communication malfunction, Wiring,wheel speed sensor, ABS control module,ECM, Controller area network (CAN) data buslinstrument panel-signalimplausible, Wheel speed sensor,left -CAN data communication malfunction, Wiring, wheel speed sensor, ASS control module,ECM, Wheel speed sensor,right -CAN data communication malfunction, Wiring,wheel speed sensor,ASS control module, ECM. 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Stage Does Not respond properly to the control signal impossible, whatever remains, no matter how,... An anti-lock brake system is an electronic system that reduces the drag your! Respond properly to the control signal the MAP reading at engine idle and the stored barometric pressure reading speed! The ABS light is turned on in your Jeep Grand Cherokee an anti-lock brake is! Knowledge and experience to help you fix your Jeep Grand Cherokee Roadside Assist V V Good but have booked in... Received his first Jeep, a 1975 CJ, from his father when he was just 16 the! Voltage maintained below normal operating range speed sensor signal detected only ) stored barometric pressure.... Loop Operation ( Fuel control jeep abs code list is excessive and have the knowledge and experience help. At engine idle and the stored barometric pressure reading, from his when. Many reasons why the ABS light is turned on in your Jeep Grand.! 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From his father when he was just 16 to the control signal you fix your Jeep experience to you.