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2004 Mercury Mountaineer
2004 Mercury Mountaineer Transmission Control Modules
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Part Number: RB609021
Guaranteed to Fit
$263.49
+ $345.00 Refundable Core Charge
Vehicle Fitment
- 2004 Mercury Mountaineer Premier All Engines 5-Speed
- 2004 Mercury Mountaineer Base All Engines 5-Speed
Product Details
Notes : 12 Connectors; Pin Terminal; 2 in. Module Height; 4 in. Module Length; 6 in. Module WidthWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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DormanOE Solutions Series Transmission Control Module - Direct Fit, Sold individuallyManufacturer #609-021
( Reviews) Questions, Answers
DORMAN OE REPLACEMENT TRANSMISSION CONTROL MODULES
Affordable, directly compatible and built to last, Dorman’s OE replacement transmission control modules stand out as the smart option. Since 1918, Dorman Products has supplie...
Product Questions & Answers
Q:Is this remanufactured or a new part?
Josh M.
A:BEST ANSWERHi Josh, thanks for initiating contact. This is a remanufactured part. If this part is compatible with the information provided on our website, use the link below to order while the part is in stock. Your order will come with a 30-day post-purchase price match guarantee. Enjoy shopping!
https://www.carparts.com/transmission-control-module/dorman/rb609021?can=CPGG4850_CSQA_20240715 Show less
Grace G.
3 Questions, 1 AnswerView all Q&As >
Related Parts
Helpful Automotive Resources
What Does Resetting the Transmission Module Do? How and When to ResetBad connections could affect the module and cause transmission issues. Reverting the TCM to its factory settings could eliminate the problems they caused.
P0729 Code: Gear 6 Incorrect RatioNewer vehicles often have more than four gear ratios for better fuel economy. The control modules also determine when to shift up or down between gears depending on various data, such as throttle position and vehicle speed.
Why Do EVs Have Fake Engine Noise?EVs and internal combustion engine vehicles generally use powertrain data to make the sound emulate the increasing pitch of engine revs and the drops in tone during a gear shift.
Is Your Car Stuck In Neutral? Here’s WhyThe transmission fluid is also responsible for performing these duties:
Transferring power in the torque converterProviding hydraulic pressure in clutches and servosLubricating bearings, bushings, and gearsTransferring heat to cool transmission partsProviding the correct friction for clutch and band operation
P0700: Transmission Control System (MIL Request)The TCM monitors the sensors and actuators in the transmission system and sends the data to the PCM. This module monitors the throttle speed sensor, motor speed sensor, and output shaft speed sensor. Once the module detects something wrong with the transmission controls, it’ll trigger the P0700 code.
P0763 Code: Shift Solenoid C ElectricalTo change gears, the automatic transmission uses bands and clutches, which are activated by having fluid pressure in the right place at the right time. Transmission solenoids are in charge of opening and closing valves in the valve body to allow transmission fluid to flow to the clutches and bands.