P1270 JEEP Engine RPM Or Speed Limiter Reached
– Excessive engine RPM in neutral
– Vehicle drive at a high rate of speed
Engine RPM/Vehicle Speed Limiter Indicates the vehicle has been operated in a manner which caused the engine or vehicle to exceed a calibration limit. The engine rpm and vehicle speed are continuously monitored by the Powertrain Control Module (PCM). The P1270 JEEP code is set when the rpm or speed fall out of calibrated range.