Section 49 (Automatic Transmission - Diagnosis - 5R44E & 5R55E): Identification: Transmission
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The 5R44E and 5R55E 5-speed automatic transmissions can be identified by the vehicle certification label, located on driver's door post. This label contains the transmission letter code under space marked TR (next to space marked AXLE). Letter code for 5R44E and 5R55E transmission is "D". Transmission can also be identified by service identification tag attached to transmission case. See Fig 1 and Fig 2 .