Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM1990SHADOW ES, 2D HATCHBACK, 2.2 CREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 2.2LDIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TURBO)NOTES
1990 Dodge and Ram Shadow ES, 2D Hatchback, 2.2 C
Diagnostic Trouble Code (DTC) Identification (Turbo): Notes
1990 Dodge and Ram Shadow ES, 2D Hatchback, 2.2 CSECTION Notes
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TURBO)
| Code | Display on DRB-II | Fault Condition | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | IGN Reference Signal | No distributor reference signal pickup during cranking. | |||||||||
| 12 | Number of Key-Ons Since Last Fault Or Since Faults Were Released | Direct battery input to SBEC was disconnected within last 50-100 ignition key-ons. | |||||||||
| 13 | Map Pneumatic Signal | No difference in MAP sensor signal is detected. | |||||||||
| 13 | Map Pneumatic Change | No difference is detected between MAP reading & stored barometric pressure reading. | |||||||||
| 14 | Map Voltage Too Low | MAP sensor input less than minimum acceptable voltage. | |||||||||
| 14 | Map Voltage Too High | MAP sensor input more than maximum acceptable voltage. | |||||||||
| 15 | Vehicle Speed Signal | No distance sensor signal detectedwith road load conditions. | |||||||||
| 17 | Low Engine Temp | Coolant temperature stays below normal operating temperature during vehicle operation. | |||||||||
| 21 | O2 Sensor Signal | No rich or lean signal is detectedfrom O2 sensor input. | |||||||||
| 21 | O2 Sensor Shorted Hi | Oxygen sensor input voltage maintained above normal operating range. | |||||||||
| 22 | Coolant Voltage Low | Coolant temperature sensor input below minimum acceptable voltage. | |||||||||
| 22 | Coolant Voltage High | Coolant temperature sensor input above maximum acceptable voltage. | |||||||||
| 23 | (1) Charge Temp Volt Low | Charge temperature sensor input below minimum acceptable voltage. | |||||||||
| 23 | (1) Charge Temp Volt Hi | Charge temperature sensor input above maximum acceptable voltage. | |||||||||
| 24 | TPS Voltage Low | TPS sensor output less than minimum acceptable voltage. | |||||||||
| 24 | TPS Voltage High | TPS sensor output more than maximum acceptable voltage. | |||||||||
| 25 | AIS Motor Circuits | Shorted condition detected in one or more Auto Idle Speed control circuits. | |||||||||
| 27 | INJ 1 Control Circuit | INJ 1 injector bank output driver stage does not respond correctly to SBEC control signal. | |||||||||
| 27 | INJ 2 Control Circuit | INJ 2 injector bank output driver stage does not respond correctly to SBEC control signal. | |||||||||
| 27 | INJ 3 Control Circuit | INJ 3 injector bank output driver stage does not respond correctly to SBEC control signal. | |||||||||
| 27 | INJ 4 Control Circuit | INJ 4 injector bank output driver stage does not respond correctly to SBEC control signal. | |||||||||
| 31 | Purge Solenoid Ckt | Open or shorted condition is detected in purge purge solenoid circuit. | |||||||||
| 33 | A/C Clutch Relay Ckt | Open or shorted condition detected in A/C clutch relay circuit. | |||||||||
| 34 | S/C Servo Solenoids | Open or shorted condition detected in speed control vacuum or vent solenoid circuits. | |||||||||
| 35 | Radiator Fan Relay | Open or shorted condition detected in radiator fan relay circuit. | |||||||||
| 36 | (1) VNT Solenoid #3 Ckt | Open or shorted condition detected in VNT solenoid No. 3 circuit. | |||||||||
| 37 | PTU Solenoid Circuit | Open or shorted condition detected in torque converter part throttle unlock solenoid circuit. | |||||||||
| 41 (4) | Alternator Field Ckt | Open or shorted condition detected in alternator field circuit. | |||||||||
| 42 | (2) Z1 Voltage Sense | No battery voltage sensed when ASD relay is energized. | |||||||||
| 45 (2) | Boost Limit Exceeded | MAP reading above overboost limit detected during engine operation. | |||||||||
| 46 | Battery Voltage High | Battery voltage sense input more than target charging voltage during engine operation. | |||||||||
| 47 | Charging Output Low | Battery voltage sense input less than target charging voltage during engine operation and no significant change in voltage detected during active test of alternator output. | |||||||||
| 51 | Lean F/A Condition | O2 sensor input indicates lean air/fuel ratio during engine operation. | |||||||||
| 52 | Rich F/A Condition | O2 sensor input indicates rich air/fuel ratio during engine operation. | |||||||||
| 53 | Internal Self-Test | SBEC detects internal failure. | |||||||||
| 54 (2) | Sync Pick-Up Signal | No high data rate detected during engine rotation. | |||||||||
| 55 | (3) | Completion of fault code display by check engine light. | |||||||||
| 61 (2) | Baro Read Solenoid | Open or shorted condition detected in baro read solenoid circuit. | |||||||||
| 62 | EMR Miles Not Stored | Unsuccessful attempt to update EMR mileage in SBEC EEPROM (trucks only). | |||||||||
| 63 | EEPROM Write Denied | Unsuccessful attempt to write to an EEPROM location by SBEC. | |||||||||
| N/A | Fault Code Error | DRB-II does not recognize fault identification | |||||||||
| 64 (1) | VNT Solenoid #1 Ckt | Open or shorted condition detected in VNT solenoid No. 1 circuit. | |||||||||
| 65 (1) | VNT Solenoid #2 Ckt | Open or shorted condition detected in VNT solenoid No. 2 circuit. | |||||||||
| 67 (1) | VNT A-Side Control | MAP reading above boost goal for an extended time period. | |||||||||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.