Diagnostic Trouble Codes for the Mercedes-Benz 722.6 Transmission (96+)
DTC 2-65 = actual errors
DTC above 96 = stored errors, add 96 to actual error, eg, 10+96 would show 106
| DTC | Description |
|---|---|
| 2 | 1-2/4-5 shift solenoid valve Y3/6y3 |
| 3 | 2-3 shift solenoid valve Y3/6y5 |
| 4 | 3-4 shift solenoid valve Y3/6y4 |
| 5 | PWM solenoid valve (torque converter lockup) Y3/6y6 |
| 6 | Modulating pressure regulating valve Y3/6y1 |
| 7 | Shift pressure solenoid valve Y3/6y2 |
| 8 | Reverse lockout solenoid Y66/1 |
| 9 | Starter lock-out relay module K38, ETC control module N15/3 output (-) |
| 10 | Solenoid valve voltage supply out of tolerance |
| 11 | RPM sensor voltage supply out of tolerance |
| 12 | RPM sensor n2 Y3/6L2 or RPM sensor voltage supply open circuit |
| 13 | RPM sensor n3 Y3/6L1 |
| 14 | not used |
| 15 | not used |
| 16 | not used |
| 17 | not used |
| 18 | Selector lever position implausible, incorrect position or S16/10 defective |
| 19 | Temperature sensor, automatic transmission fluid Y3/6b1 |
| 20 | Starter interlock contact Y3/6s1 |
| 21 | ETC control module N15/3 voltage supply too high/too low |
| 22 | CAN Wheel speed sensor right rear from ESP implausible |
| 23 | CAN Wheel speed sensor left rear from ESP implausible |
| 24 | CAN Wheel speed sensor right front from ESP implausible |
| 25 | CAN Wheel speed sensor left front from ESP implausible |
| 26 | CAN Accelerator pedal position from ME 1.0 right implausible |
| 27 | Not used |
| 28 | CAN Engine RPM form ME 1.0 right implausible |
| 29 | CAN Engine torque right from ME 1.0 implausible |
| 30 | CAN Altitude influence factor from ME 1.0 right implausible |
| 31 | Not used |
| 32 | CAN Engine torque left from ME 1.0 implausible (M120 only) |
| 33 | Not used |
| 34 | Not used |
| 35 | CAN ME 1.0 left information distorted (M120 only) |
| 36 | CAN ME 1.0 right information distorted |
| 37 | CAN information totally distorted |
| 38 | CAN ESP information distorted |
| 39 | CAN ME 1.0 right information distorted |
| 40 | Not used |
| 41 | Not used |
| 42 | Not used |
| 43 | Not used |
| 44 | Not used |
| 45 | Not used |
| 46 | Not used |
| 47 | Not used |
| 48 | Not used |
| 49 | Not used |
| 50 | Not used |
| 51 | Engaged gear implausible or transmission slippage |
| 52 | Command valve 6, 14 or 25 sticking in pressure position |
| 53 | Torque converter lockup clutch |
| 54 | Confirmation of transmission overload protection not received |
| 55 | Gear recognition repeatedly negative |
| 56 | ETC control module N15/3 EEPROM incorrect coding |
| 57 | ETC control module N15/3 clock |
| 58 | ETC control module N15/3 internal test watchdog |
| 59 | ETC control module N15/3 external test watchdog |
| 60 | ETC control module N15/3 internal function watchdog |
| 61 | ETC control module N15/3 external function watchdog |
| 62 | ETC control module N15/3 RAM |
| 63 | ETC control module N15/3 ROM |
| 64 | ETC control module N15/3 EEPROM critical functions |
| 65 | ETC control module N15/3 EEPROM noncritical functions |
| 98 | stored DTC2 |
| 99 | stored DTC3 |
| etc. |
