P1281 is a Diagnostic Trouble Code (DTC) that could mean an issue with your coolant level/mixture or an out-of-spec air-fuel ratio. Your engine coolant fails to reach normal operating temperatures while driving. For some vehicles, the DTC traces back to a problem with drivetrain sensors, fuel system components, or running too lean/rich. After code 55 is displayed the odometer will return to its normal mode. P codes & Hex codes • Trouble codes can only be displayed by using a Scan Tool connected to the data link connector (DLC): Cherokee/Wrangler [2] Grand Cherokee [3] Erasing • Trouble codes can only be erased by using a Scan Tool connected to the data link connector (DLC). Here are the codes that you may/can get. Ho2S = heated oxyen sensor, TP = throttle position, MAF = mass airflow, MAP = manifold absolute pressure, TC=turbocharger. P0030 through P0058 - oxygen sensor heater control problem. P0100 MAF Sensor Circuit Insufficient Activity. P0101 Mass Air Flow (MAF) Sensor Performance. Here are the codes, in the order they came up on my display. P0204 #1 injector circuit. P0300 Multiple cylinder misfires. P0301 #1 misfire. P0303 #3 misfire. P0304 #4 misfire. P0420 catalyst below threshold. P0305 #5 misfire. P0171 system too lean. 1993, 1994, 1995 Jeep Grand Cherokee 60 Pin Connector (4.0L) The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Jeep Grand Cherokee. The PCM has a 60 pin connector and on the back side of the connector (wire side) are embossed a few numbers to further aid This is the list of Jeep Grand Cherokee OBD 2 Diagnostic Trouble Codes DTC's that are used by Jeep to diagnose the vehicle problems. Fault codes usually appear after the Check Engine light has come on. All car owners manuals, handbooks, guides and more. Code 23 is the air temperature sensor, the sensor's location is on the intake manifold behind the throttle body. The IAT gives a signal to the computer to enrich the air/fuel mixture and advance the timing in relation to air temperature. On 4.0L's heat from the exhaust manifold hits the sensor destroying it giving mixed signals to the computer. To diagnose the P2098 Jeep code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. OtXf.

jeep grand cherokee codes list