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Discussion Starter · #1 ·
Just bought a 2006 PT Cruiser. Seems to run rough, at idle and through the RPM range...for (1). I also have a Volvo C70 which had the same problem (Turbo 5 cyl)...brokem motor mount. Could there be a similar problem with the PT Cruiser? (2)...I have an Air Bag light on, constantly, on the dash, and adinging bell comes on intermitantly for about 5 minutes, then stops. Any ideas on either, or both these problems? BTW,,,the engine is in fine tune, and is VERY quick fo a 4 cylinder.
 

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Virginia Gentleman
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When was the last tune up (spark plugs, wires, etc)? Any fault codes (CEL on?)? I'd check for fault codes first and if a tune up is due, perform that service. Could be a miss from a bad wire or plug that is causing the rough idle. If that doesn't resolve the issue, then check the motor mounts for wear, cracked bushings.

As to the airbag light, it would best to check for the fault codes. You'll need access to an advanced code reader. Probably best to pay for the diagnostic fee at a dealer or shop. More than likely, it is a faulty clock spring, but it could be a faulty sensor or wiring issue.
 

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1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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Rough running like a misfire? At idle or going down the road?
Deteriorated motor mounts can cause a 'roughness' to be transmitted into the body.
If it is at idle, is it a too slow idle or a rough idle? If it is rough, is it rhythmic like a cylinder is out?

Is it the drivers airbag warning light in the cluster or the passenger airbag light in the center stack?
As Doug states, this should be diagnosed with a capable scan tool.

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Discussion Starter · #4 ·
Driver side air bag light..a little person seated with a seat belt on, and a big round balloon on his lap. Feels for all the world like a broken motot mount....from idle allthe way up. More pronounced at idle...Not a miss fire Engine isn't missing...runs great
 

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1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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There is a number of Airbag code possibilities. We need the fault code(s):

  • B1B00-DRIVER AIRBAG SQUIB 1 CIRCUIT LOW
  • B1B0A-PASSENGER AIRBAG SQUIB 1 CIRCUIT OPEN
  • B1B0B-PASSENGER AIRBAG SQUIB 1 CIRCUIT SHORTED TOGETHER
  • B1B0C-PASSENGER AIRBAG SQUIB 2 CIRCUIT LOW
  • B1B0D-PASSENGER AIRBAG SQUIB 2 CIRCUIT HIGH
  • B1B0E-PASSENGER AIRBAG SQUIB 2 CIRCUIT OPEN
  • B1B0F-PASSENGER AIRBAG SQUIB 2 CIRCUIT SHORTED TOGETHER
  • B1B01-DRIVER AIRBAG SQUIB 1 CIRCUIT HIGH
  • B1B1A-LEFT SIDE CURTAIN SQUIB 1 CIRCUIT OPEN
  • B1B1B-LEFT SIDE CURTAIN SQUIB 1 CIRCUIT SHORTED TOGETHER
  • B1B02-DRIVER AIRBAG SQUIB 1 CIRCUIT OPEN
  • B1B2A-1ST ROW DRIVER SEAT BELT PRETENSIONER CIRCUIT OPEN
  • B1B2B-1ST ROW DRIVER SEAT BELT PRETENSIONER CIRCUIT SHORTED TOGETHER
  • B1B2C-1ST ROW PASSENGER SEAT BELT PRETENSIONER CIRCUIT LOW
  • B1B2D-1ST ROW PASSENGER SEAT BELT PRETENSIONER CIRCUIT HIGH
  • B1B2E-1ST ROW PASSENGER SEAT BELT PRETENSIONER CIRCUIT OPEN
  • B1B2F-1ST ROW PASSENGER SEAT BELT PRETENSIONER CIRCUIT SHORTED TOGETHER
  • B1B03-DRIVER AIRBAG SQUIB 1 CIRCUIT SHORTED TOGETHER
  • B1B04-DRIVER AIRBAG SQUIB 2 CIRCUIT LOW
  • B1B05-DRIVER AIRBAG SQUIB 2 CIRCUIT HIGH
  • B1B06-DRIVER AIRBAG SQUIB 2 CIRCUIT OPEN
  • B1B07-DRIVER AIRBAG SQUIB 2 CIRCUIT SHORTED TOGETHER
  • B1B08-PASSENGER AIRBAG SQUIB 1 CIRCUIT LOW
  • B1B09-PASSENGER AIRBAG SQUIB 1 CIRCUIT HIGH
  • B1B10-DRIVER KNEE BOLSTER SQUIB CIRCUIT LOW
  • B1B11-DRIVER KNEE BOLSTER SQUIB CIRCUIT HIGH
  • B1B12-DRIVER KNEE BOLSTER SQUIB CIRCUIT OPEN
  • B1B13-DRIVER KNEE BOLSTER SQUIB CIRCUIT SHORTED TOGETHER
  • B1B18-LEFT SIDE CURTAIN SQUIB 1 CIRCUIT LOW
  • B1B19-LEFT SIDE CURTAIN SQUIB 1 CIRCUIT HIGH
  • B1B20-RIGHT SIDE CURTAIN SQUIB 1 CIRCUIT LOW
  • B1B21-RIGHT SIDE CURTAIN SQUIB 1 CIRCUIT HIGH
  • B1B22-RIGHT SIDE CURTAIN SQUIB 1 CIRCUIT OPEN
  • B1B23-RIGHT SIDE CURTAIN SQUIB 1 CIRCUIT SHORTED TOGETHER
  • B1B28-1ST ROW DRIVER SEAT BELT PRETENSIONER CIRCUIT LOW
  • B1B29-1ST ROW DRIVER SEAT BELT PRETENSIONER CIRCUIT HIGH
  • B1B54-1ST ROW PASSENGER SEAT BELT SENSOR CIRCUIT LOW
  • B1B55-1ST ROW PASSENGER SEAT BELT SENSOR CIRCUIT HIGH
  • B1B56-1ST ROW PASSENGER SEAT BELT SENSOR CIRCUIT OPEN
  • B1B57-1ST ROW PASSENGER SEAT BELT SENSOR CIRCUIT SHORTED TOGETHER
  • B1B70-UP-FRONT LEFT SATELLITE ACCELERATION SENSOR INTERNAL
  • B1B71-UP-FRONT RIGHT SATELLITE ACCELERATION SENSOR INTERNAL
  • B1B72-LEFT SIDE SATELLITE ACCELERATION SENSOR 1 INTERNAL
  • B1B75-RIGHT SIDE SATELLITE ACCELERATION SENSOR 1 INTERNAL
  • B1BB8-SRS WARNING INDICATOR STATUS MISMATCH
  • B1BC7-DEPLOYMENT DATA RECORD FULL
  • B1C2F-PASSENGER AIRBAG INDICATOR STATUS MISMATCH
  • B210D-BATTERY VOLTAGE LOW
  • B212C-IGNITION RUN/START INPUT CIRCUIT OPEN
  • B212D-IGNITION RUN ONLY INPUT CIRCUIT OPEN
  • B220A-OCCUPANT RESTRAINT CONTROLLER INTERNAL 4
  • B220B-OCCUPANT RESTRAINT CONTROLLER FIRING STORED ENERGY
  • B220C-OCCUPANT RESTRAINT CONTROLLER ACCELEROMETER 1 INTERNAL
  • B220D-OCCUPANT RESTRAINT CONTROLLER ACCELEROMETER 2 INTERNAL
  • B220F-OCCUPANT RESTRAINT CONTROLLER CONTROL DRIVER 1
  • B223B-VEHICLE CONFIGURATION MISMATCH
  • B223D-OCCUPANT CLASSIFICATION MODULE DTC PRESENT
  • B1203-SRS WARNING INDICATOR CIRCUIT/PERFORMANCE
  • B2201-CALIBRATION MISMATCH
  • B2207-OCCUPANT RESTRAINT CONTROLLER INTERNAL 1
  • B2208-OCCUPANT RESTRAINT CONTROLLER INTERNAL 2
  • B2209-OCCUPANT RESTRAINT CONTROLLER INTERNAL 3
  • B2210-OCCUPANT RESTRAINT CONTROLLER CONTROL DRIVER 2
  • U0019-CAN B BUS
  • U0020-CAN B BUS OFF PERFORMANCE
  • U0022-CAN B BUS (+) CIRCUIT LOW
  • U0023-CAN B BUS (+) CIRCUIT HIGH
  • U0025-CAN B BUS (-) CIRCUIT LOW
  • U0026-CAN B BUS (-) CIRCUIT HIGH
  • U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE
  • U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE (TOTALLY INTEGRATED POWER MODULE)
  • U0151-LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC)
  • U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
  • U0155-LOST COMMUNICATION WITH CLUSTER/CCN
  • U0167-LOST COMMUNICATION WITH INTRUSION TRANSCEIVER CONTROL MODULE
  • U0168-LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (SKREEM/WCM)
  • U0170-LOST COMMUNICATION W/UP-FRONT LEFT SATELLITE ACCELERATION SENSOR
  • U0171-LOST COMMUNICATION W/UP-FRONT RIGHT SATELLITE ACCELERATION SENSOR
  • U0172-LOST COMMUNICATION W/LEFT SIDE SATELLITE ACCELERATION SENSOR 1
  • U0175-LOST COMMUNICATION W/RIGHT SIDE SATELLITE ACCELERATION SENSOR 1
  • U0184-LOST COMMUNICATION WITH RADIO
  • U0186-LOST COMMUNICATION WITH AUDIO AMPLIFIER
  • U0195-LOST COMMUNICATION WITH SDARS
  • U0197-LOST COMMUNICATION WITH HANDS FREE PHONE MODULE
  • U0199-LOST COMMUNICATION WITH DRIVER DOOR MODULE (LEFT WINDOW REGULATOR MODULE)
  • U0200-LOST COMMUNICATION WITH PASS DOOR MODULE (RIGHT WINDOW REGULATOR MODULE)
  • U1414-IMPLAUSIBLE/MISSING ECU CONFIGURATION DATA
  • U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA

The weight-bearing mounts can sag after 16 years allowing a metal-to-metal contact that will transmit engine vibration into the body.
Does the sound change when taking left or right turns? Can you or a passenger determine if it on the left or right side? Sometimes changing your position or turning your head slightly can give you a different perspective on where the noise is coming from.
 

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If someone removed the passenger seat and never recalibrated the seat after reinstalling it, that could explain the problem with the passenger airbag light.
 
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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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+1. That is why I asked about the Passenger Airbag warning lamp.
The passenger seat has a 'strain gauge' (butt-meter) as part of the seat cushion frame.
Since this is s 'multi-stage' Airbag, it has to know how much force to deploy with according to passenger's weight.
The Airbag won't fire with the weight of a rear-facing infant seat. It will deploy with half-force with a 5th percentile occupant.
It will fire at full force for a full grown adult.
The seat can lose calibration and turn on the warning light. It is calibrated with the scan tool and a series of weights placed on the seat.
 

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Discussion Starter · #8 ·
No passenger warning light...just the guy on the dash with his seatbelt on, an a ballon on his lap...and that damn ding, ding, ding.
 

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'67 Hillman Gazelle, '72 Hillman Hunter, '05 PT Cruiser, '10 300C, '16 500X AWD
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When was the last tune up (spark plugs, wires, etc)? Any fault codes (CEL on?)? I'd check for fault codes first and if a tune up is due, perform that service. Could be a miss from a bad wire or plug that is causing the rough idle. If that doesn't resolve the issue, then check the motor mounts for wear, cracked bushings.

As to the airbag light, it would best to check for the fault codes. You'll need access to an advanced code reader. Probably best to pay for the diagnostic fee at a dealer or shop. More than likely, it is a faulty clock spring, but it could be a faulty sensor or wiring issue.
99.9% chance it's a damaged wire in the seat. I've fixed several with it.
 

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I believe this would be the light that he is referring to:

While the light could be lit from probably a number of other things, both times this happened on my PT it ended up being the clock spring. It might be worth it to take it to a dealer for a diagnosis. If they want a diagnostic fee, sometimes they will apply that fee to any repairs, so it's not actually $ that you pay in addition to the repairs.

You can check out the lower torque strut from underneath the vehicle.

This is an old one from my PT. If the rubber is torn on your lower one, then the upper will most likely also be torn from having to pick up the extra load from the worn lower.


I've had these replaced several times on my PT, and each time now, they last about 36,000 miles and I replace with genuine MOPAR struts.
 

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I cleaned up the above pics to show the tear in a better light.
Automotive tire Motor vehicle Automotive exterior Hood Rim


Automotive tire Rim Fixture Vehicle brake Circle


By the way, The SRT-4 mounts are a direct replacement for our PT mounts. They have more material to absorb the vibrations caused by our engines so they will last a lot longer than our stock mounts.

A stock mount.
Paint Fluid Art Art paint Gas


An SRT-4 mount.
Gas Cable Automotive exterior Metal Auto part

A stock mount.
Fluid Ingredient Paint Gas Dish

An SRT-4 mount.
Font Rectangle Auto part Fashion accessory Circle



Jerry
 
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