What does Hello p1870 mean on a transmission?
Hello! P1870 is a “Transmission Slip” fault code. This code usually sets when the torque converter stops locking up.
What’s the history code for DTC p1870?
……DTC P1870 is a type B code. The conditions for setting the P1870 DTC must occur on TWO CONSECUTIVE TRIPS (ignition cycles, with a drive cycle) before setting a P1870 history code. ……When the conditions for setting DTC P1870 are met (first trip), the PCM commands maximum line pressure and harsh 1-2 shifts are the result.
What does p1870 mean on a torque converter?
P1870 is a “Transmission Slip” fault code. This code usually sets when the torque converter stops locking up. There are several reasons why this may set, each has its own fix. First, you will want to inspect the Torque Converter Solenoid, make sure its working and the top of it isn’t cracked or leaking.
What causes the GM trouble code p1870 to set?
When this code sets, it could have any number of causes, ranging from the sump running low of fluid to a malfunctioning torque converter. Take a GM 4L60-E transmission, for example. When it’s in Overdrive, the forward clutch and the 3-4 clutches are applied, as well as the 2-4 band. Now add the converter clutch.
Hello! P1870 is a “Transmission Slip” fault code. This code usually sets when the torque converter stops locking up.
When this code sets, it could have any number of causes, ranging from the sump running low of fluid to a malfunctioning torque converter. Take a GM 4L60-E transmission, for example. When it’s in Overdrive, the forward clutch and the 3-4 clutches are applied, as well as the 2-4 band. Now add the converter clutch.
P1870 is a “Transmission Slip” fault code. This code usually sets when the torque converter stops locking up. There are several reasons why this may set, each has its own fix. First, you will want to inspect the Torque Converter Solenoid, make sure its working and the top of it isn’t cracked or leaking.
What does PCM code p1870 stand for?
Once the vehicle has made it to a cruise state, the PCM then begins to monitor the vehicle’s cruise ratio. If at some point the transmission begins to slip, P1870 sets and line pressure is elevated in an attempt to stop any further slippage and prevent further damage.
……DTC P1870 is a type B code. The conditions for setting the P1870 DTC must occur on TWO CONSECUTIVE TRIPS (ignition cycles, with a drive cycle) before setting a P1870 history code. ……When the conditions for setting DTC P1870 are met (first trip), the PCM commands maximum line pressure and harsh 1-2 shifts are the result.