1 post · Joined 2016. #14 · Sep 7, 2016. Try turning the key so that all the lights on your dash light up but the jeep doesn't crank and then turn the jeep off. Do this a minimum of 6 times or until a code shows on your odometer. If a code shows write it down and reference it to a wj trouble code website. 95 grand cherokee, 4.0 I6: running rough, lack of power, a little funny shifting. No transmission codes (only 55) Engine Codes 12 and 41. Just did starter, alternator, distributor, battery, plugs, wires last year. Last month did serpentine belt, and currently have front dif. breather hose duct taped close to air intake. 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. Hello, I just got a Jeep Grand Cherokee 2006 4.7. After a couple of days I got the check engine light on. So I scanned the codes and got many. Here they are: p0846, p0871, p0988, p9876, p0869, p0218, p0714, p0882. Sometimes when I turn the can on and put it on D it says 3 instead of D so I turned it off and on again and it goes away. Dodge Durango, Jeep Grand Cherokee 2015-present. BR2,BR3,BR6, BR8 (13.78” front rotor, 13” vented rear) BR4 (SRT with Brembo calipers) BRY (13” vented front rotor, 13” solid rear rotor) Jeep Cherokee, 2014-present. BR1 (single-piston front caliper, 13” vented rear rotor) BR3 (dual-piston front caliper, 13” vented rear rotor) Compare different Jeep® models against one another to find the perfect Jeep® Vehicle for you. Grand Cherokee; Grand Cherokee 4xe; Wagoneer and Grand Wagoneer 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. Codes are U0415, P1634, U1516-87, U0420. and U0402. Only have two of the invoices, but so far they changed the transmission control module in August and cleared the codes. oKER.