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2001 Dodge Caravan - Page 6 Questions & Answers
Metal scraping sound when in reverse
turning? Hmm. sounds like the metal dust shield(s) behind the brake rotor(s) may be making contact with the brake rotor. Sometimes when the wheel is removed, road debris hits the shield, or metal fatigue weakened by heat from the brakes it causes it to bend. easily adjusted by bending away from rotor.
Po456
this code refers to the fuel evaperation control system so will not be the cause of slipping transmission, check the trans fluid level and rescan the OBD
What is a code 48 on a dodge caravan
Hi Melvin, I'm glad to help. Melvin, after tons of recearch I finally found the code 48 and by-the-way this is what they call a HEX CODE which is usaully assigned to a P Code. The explanation I found for this 48 Hex Code is below! Hope this helps and have an awesome day Melvin.
Name of Code:
P1793(48) - Torque Reduction
(TRD) Link Communication Error
Note: The MIL may set on some engines (3.3L, 3.8L,
3.5L)
When Monitored:
Whenever the engine is running
Set condition:
This code is set when the TCM
sends multiple torque reduction messages to the
PCM and the TCM does not receive a response from
the PCM.
Theory of Operation:
During high torque shifts
the TCM will send a message requesting that the
PCM reduce engine power until the shift is completed.
This message is sent from the TCM to the
Powertrain Control Module across the Torque Management
Request Sense Circuit. The PCM will
acknowledge the TCM request by sending a message
across the PCI bus within a specific amount of
time. The TRD Link communication is also tested
periodically for operation whenever the engine is
running and the vehicle is not moving with zero
degrees throttle.
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