AutoCodes – Ford – P1853 Ford

P1853 Ford Code - Transfer Case Contact Plate 'B' Short Circuit To Ground

Quick Answer

The Mode Select Switch (MSS) communicates the operator's choice to the Transfer Case Control Module (TCCM). Common causes include Faulty Transfer Case Control Module (TCCM), Transfer Case Control Module harness is open or shorted, Transfer Case Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1853 Ford indicates Transfer Case Contact Plate 'B' Short Circuit To Ground.
Common causes: Common causes include Faulty Transfer Case Control Module (TCCM), Transfer Case Control Module harness is open or shorted, Transfer Case Control Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 2,761

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1853 Ford Description

The Mode Select Switch (MSS) communicates the operator's choice to the Transfer Case Control Module (TCCM). As the TCCM commands the gearmotor encoder assembly to 4H mode, the transfer case shift fork moves to engage 4H mode which also engages the dual-cone synchronizers to bring the front driveline to the same speed as the rear driveline. The TCCM also activates the hublock vacuum solenoid, providing a vacuum and engaging the Constant Vacuum Hublock (CVH) at each front wheel. If the vehicle is not responding to the operator's intentions, systematically check the necessary inputs and outputs of the TCCM, components of the transfer case, CVH components, and axle shafts. Check all circuits for opens and shorts to power or ground.

OBDII Code P1853 Ford - Transfer Case Contact Plate 'B' Short Circuit To Ground - AutoCodes.com — P1853 Ford Code - Transfer Case Contact Plate 'B' Short Circuit To Ground

What does this mean?

What are the Possible Causes of the DTC P1853 Ford?

Faulty Transfer Case Control Module (TCCM)
Transfer Case Control Module harness is open or shorted
Transfer Case Control Module circuit poor electrical connection
Faulty Transfer case
Faulty Front axle assembly

How to Fix the DTC P1853 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1853 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1853 Ford Code

1. What are common symptoms of OBDII code P1853 for Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- Common symptoms may include the inability to shift gears properly, erratic behavior of the transfer case, and warning lights illuminated on the dashboard.

2. What are the possible causes of OBDII code P1853 Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- The main causes can be a damaged contact plate 'B', a short circuit to ground in the wiring or connectors, or a faulty transfer case motor.

3. How can I diagnose OBDII code P1853 for Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- Diagnosis involves using a scan tool to retrieve the specific code, inspecting the transfer case components for damage, and testing the wiring for continuity and shorts.

4. Is it safe to continue driving with OBDII code P1853 Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- It is not recommended to drive with this code present, as it can lead to further damage to the transfer case components and affect the vehicle's drivability.

5. Can I repair OBDII code P1853 Ford related to the Transfer Case Contact Plate 'B' short circuit to ground myself?

- While it is possible to address this issue yourself, it is recommended to consult a professional mechanic with experience in diagnosing and repairing transfer case electrical problems.

6. What are some repair tips for fixing OBDII code P1853 Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- Repair tips may include checking and repairing damaged wiring, replacing the contact plate 'B' if necessary, and ensuring proper connections in the transfer case system.

7. How much does it typically cost to repair OBDII code P1853 Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- Repair costs can vary depending on the extent of the damage and the parts needed, but it is advisable to budget for potential expenses related to transfer case component replacements and labor.

8. Can weather conditions or off-road driving contribute to triggering OBDII code P1853 for Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- Yes, extreme weather conditions or off-road driving can potentially expose the transfer case components to additional stress, leading to possible short circuits and electrical issues.

9. Will resetting the OBDII system clear OBDII code P1853 Ford related to the Transfer Case Contact Plate 'B' short circuit to ground?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the short circuit is not addressed, the code is likely to reappear.

10. Is there a way to prevent OBDII code P1853 for Ford related to the Transfer Case Contact Plate 'B' short circuit to ground from occurring in the future?

- Regular maintenance checks, avoiding harsh driving conditions, and promptly addressing any transfer case issues can help prevent this code from reoccurring.