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Posts Tagged: dodge

P0455, P0456 code on Jeep, Dodge

What causes P0455, P0456 code on Jeep, Dodge Chrysler has issued service bulletin 25-002-15 REV. B to address a P0455, P0456 code on Jeep, Dodge vehicles listed below. The check engine light on these vehicles can illuminate and when scanned, reveal P0455, P0456 codes. P0455 EVAP System Large Leak P0456 EVAP System Small Leak Chrysler has determined that a defective evaporative emissions purge valve hose is causing the problem due to a split in the hose. The split prevents the system from sealing properly so the computer thinks you have … Read More

P1275 Chrysler, Dodge

Diagnose and Fix P1275 Chrysler, Dodge A P1275 Chrysler, Dodge trouble code is a manufacturer-specific code, which means its definition may not apply to other makes and models. In this case the P1275 Chrysler, Dodge is defined as: AC Clutch Control Circuit Overcurrent TIPM What does P1275 mean? When you operate the AC system in a 2008 and later Chrysler, Plymouth or Dodge vehicle the HVAC controller sends a digital signal to the Totally Integrated Power Module (TIPM), telling it to supply power to the AC compressor clutch coil. In … Read More

Chrysler charging system

Chrysler charging system The manner in which Chrysler charging systems power the alternator field varies depending on which generation PCM you have installed in your vehicle. So consult a shop manual for the exact system used in your vehicle. This is just an overview. In a Next Generation Controller PCM the alternator has 3 wires. The black wire is a contact ground. The PCM sends a pulsed power to the alternator field coil on the dark green wire. The strength of the field depends on the pulse width. The output … Read More

Speedometer wrong – Chrysler minivan

Speedometer wrong – Chrysler minivan Speedometer wrong–Speedometer shows speed when standing still, Dodge, Grand Caravan, Town & Country, Plymouth Voyager If you own a Grand Caravan, Town & Country, or Plymouth Voyager and find that the speedometer is showing speed when you’re at a stop, it can only be caused by a few things. The speedometer gets its signal from the from the PCM based on digital data it gets from the transmission control module via the data bus. The transmission control module gets the speed signal from the output … Read More

No crank no start – Chrysler product

No crank no start – Chrysler product Alright, so you’re turning the key and getting No crank no start. Well, in the old days, the power ran from the ignition switch down to the starter solenoid and then to the starter motor. There’s no way car makers are gonna make it that simple for you. Every car maker has a different setup and it’s not even the same from model to model within the same maker. But I’ll walk you through a typical Chrysler starting setup. Click on the PDF … Read More

P0401 EGR insufficient flow

Fix trouble code P0401 egr insufficient flow – Chrysler Minivan Late model Chrysler Minivans are known to post P0401 egr insufficient flow codes P0401-P0408. The egr valve is like an electronic solenoid that pulls the pintel off its seat. A position sensor at the top of the valve measures how far the pintel shaft has actually moved versus how much the computer commanded it to move. It’s the position sensor that goes bad (see plunger in photo). The problem may be in the sensor, but the fix is in replacing the … Read More

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