Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 2095

TIRE PRESSURE MONITORING - ELECTRICAL DIAGNOSIS

DIAGNOSIS AND TESTING

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TIRES/WHEELS

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C0077-LOW TIRE PRESSURE

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
Continuously.

•

Set Condition:
A low pressure condition will exist when the tire pressure falls below or is equal to the low pressure threshold
value as specified for the vehicle.

Possible Causes

INTERMITTENT PERFORMANCE DTC

INCORRECT TIRE PRESSURE

TIRE PRESSURE SENSOR

WCM (SKREEM)

Diagnostic Test

1.

DTC STATUS IS ACTIVE

Turn the ignition on.

With the scan tool, select View DTCs in the Wireless Control Module (SKREEM).

Is the DTC status Active at this time?

Yes

>> Go to 2

No

>> Go to 4

2.

LOW TIRE PRESSURE

NOTE: The DTC can be caused by many different factors and might not be a sensor/transmitter or a WCM
(SKREEM) fault. Interference from other elements will over power the sensor/transmitter RF frequency mak-
ing erratic operation to the in the TPM system. Check the vehicle for aftermarket accessories that could
compromise the RF frequency signal before diagnosing the TPM system.
Correct all tire pressure to the recommended specifications and wait 2 minutes.

With the scan tool, clear DTCs in the Wireless Control Module (SKREEM).

Test Drive the vehicle for a minimum of 10 minutes with vehicle speed greater than 15 m.p.h.

With the scan tool, select View DTCs in the Wireless Control Module (SKREEM).

Does the DTC reset or is the status Active for this DTC?

Yes

>> Go to 3

No

>> Test Complete.

3.

TIRE PRESSURE SENSOR

Turn the ignition off.

Replace the Tire Pressure Sensor in accordance with the Service Information.

With the scan tool, clear DTCs in the Wireless Control Module (SKREEM).

Test Drive the vehicle for a minimum of 10 minutes with vehicle speed greater than 15 m.p.h.

With the scan tool, select View DTCs in the Wireless Control Module (SKREEM).

Does the DTC reset or is the status Active for this DTC?

Yes

>> Replace the Wireless Control Module (SKREEM) in accordance with the Service Information.

Perform TPM VERIFICATION TEST (Refer to 22 - TIRES/WHEELS/TIRE PRESSURE MONITORING -
DIAGNOSIS AND TESTING)

No

>> Test Complete.

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TIRES/WHEELS

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4.

INTERMITTENT TIRE PRESSURE SENSOR DTC

The conditions necessary to set this DTC are not present at this time.

Refer to any Technical Service Bulletins that may apply to this condition.

With the scan tool, clear DTCs in the Wireless Control Module (SKREEM).

Test Drive the vehicle for a minimum of 10 minutes with vehicle speed greater than 15 m.p.h.

With the scan tool, select View DTCs in the Wireless Control Module (SKREEM).

Does the DTC reset or is the status Active for this DTC?

Yes

>> Repair as necessary.

Perform TPM VERIFICATION TEST (Refer to 22 - TIRES/WHEELS/TIRE PRESSURE MONITORING -
DIAGNOSIS AND TESTING)

No

>> Test complete.

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TIRES/WHEELS

LX

C1501–TIRE PRESSURE SENSOR 1 INTERNAL

For a complete wiring diagram Refer to Section 8W

LX

TIRES/WHEELS

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